MM-36271: Bump major version to 6.0 (#17973)

https://mattermost.atlassian.net/browse/MM-36271

```release-note
We bump the major version to 6.0
```

config/client.go

@@ -8,7 +8,7 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/mattermost/mattermost-server/v5/model"
+	"github.com/mattermost/mattermost-server/v6/model"
 )
 
 // GenerateClientConfig renders the given configuration for a client.

config/client_test.go

@@ -9,7 +9,7 @@ import (
 
 	"github.com/stretchr/testify/assert"
 
-	"github.com/mattermost/mattermost-server/v5/model"
+	"github.com/mattermost/mattermost-server/v6/model"
 )
 
 func TestGetClientConfig(t *testing.T) {

config/common_test.go

@@ -10,7 +10,7 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
-	"github.com/mattermost/mattermost-server/v5/model"
+	"github.com/mattermost/mattermost-server/v6/model"
 )
 
 var emptyConfig, readOnlyConfig, minimalConfig, minimalConfigNoFF, invalidConfig, fixesRequiredConfig, ldapConfig, testConfig, customConfigDefaults *model.Config

config/database.go

@@ -17,8 +17,8 @@ import (
 	// Load the Postgres driver
 	_ "github.com/lib/pq"
 
-	"github.com/mattermost/mattermost-server/v5/model"
-	"github.com/mattermost/mattermost-server/v5/shared/mlog"
+	"github.com/mattermost/mattermost-server/v6/model"
+	"github.com/mattermost/mattermost-server/v6/shared/mlog"
 )
 
 // MaxWriteLength defines the maximum length accepted for write to the Configurations or

config/database_test.go

@@ -16,7 +16,7 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
-	"github.com/mattermost/mattermost-server/v5/model"
+	"github.com/mattermost/mattermost-server/v6/model"
 )
 
 func getDsn(driver string, source string) string {

config/diff.go

@@ -7,7 +7,7 @@ import (
 	"fmt"
 	"reflect"
 
-	"github.com/mattermost/mattermost-server/v5/model"
+	"github.com/mattermost/mattermost-server/v6/model"
 )
 
 type ConfigDiffs []ConfigDiff

config/diff_test.go

@@ -6,7 +6,7 @@ package config
 import (
 	"testing"
 
-	"github.com/mattermost/mattermost-server/v5/model"
+	"github.com/mattermost/mattermost-server/v6/model"
 
 	"github.com/stretchr/testify/require"
 )

config/emitter.go

@@ -6,8 +6,8 @@ package config
 import (
 	"sync"
 
-	"github.com/mattermost/mattermost-server/v5/model"
-	"github.com/mattermost/mattermost-server/v5/shared/mlog"
+	"github.com/mattermost/mattermost-server/v6/model"
+	"github.com/mattermost/mattermost-server/v6/shared/mlog"
 )
 
 // Listener is a callback function invoked when the configuration changes.

config/emitter_test.go

@@ -8,8 +8,8 @@ import (
 
 	"github.com/stretchr/testify/assert"
 
-	"github.com/mattermost/mattermost-server/v5/model"
-	"github.com/mattermost/mattermost-server/v5/shared/mlog"
+	"github.com/mattermost/mattermost-server/v6/model"
+	"github.com/mattermost/mattermost-server/v6/shared/mlog"
 )
 
 func TestEmitter(t *testing.T) {

config/environment.go

@@ -9,7 +9,7 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/mattermost/mattermost-server/v5/model"
+	"github.com/mattermost/mattermost-server/v6/model"
 )
 
 func GetEnvironment() map[string]string {

config/environment_test.go

@@ -8,7 +8,7 @@ import (
 
 	"github.com/stretchr/testify/require"
 
-	"github.com/mattermost/mattermost-server/v5/model"
+	"github.com/mattermost/mattermost-server/v6/model"
 )
 
 func modifiedDefault(modify func(*model.Config)) *model.Config {

config/file.go

@@ -11,9 +11,9 @@ import (
 
 	"github.com/pkg/errors"
 
-	"github.com/mattermost/mattermost-server/v5/model"
-	"github.com/mattermost/mattermost-server/v5/shared/mlog"
-	"github.com/mattermost/mattermost-server/v5/utils/fileutils"
+	"github.com/mattermost/mattermost-server/v6/model"
+	"github.com/mattermost/mattermost-server/v6/shared/mlog"
+	"github.com/mattermost/mattermost-server/v6/utils/fileutils"
 )
 
 var (

config/file_test.go

@@ -16,8 +16,8 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
-	"github.com/mattermost/mattermost-server/v5/model"
-	"github.com/mattermost/mattermost-server/v5/utils"
+	"github.com/mattermost/mattermost-server/v6/model"
+	"github.com/mattermost/mattermost-server/v6/utils"
 )
 
 func setupConfigFile(t *testing.T, cfg *model.Config) (string, func()) {

config/logging.go

@@ -11,7 +11,7 @@ import (
 	"strings"
 	"sync"
 
-	"github.com/mattermost/mattermost-server/v5/shared/mlog"
+	"github.com/mattermost/mattermost-server/v6/shared/mlog"
 )
 
 type LogSrcListener func(old, new mlog.LogTargetCfg)

config/main_test.go

@@ -11,9 +11,9 @@ import (
 	"github.com/lib/pq"
 	"github.com/stretchr/testify/require"
 
-	"github.com/mattermost/mattermost-server/v5/model"
-	"github.com/mattermost/mattermost-server/v5/shared/mlog"
-	"github.com/mattermost/mattermost-server/v5/testlib"
+	"github.com/mattermost/mattermost-server/v6/model"
+	"github.com/mattermost/mattermost-server/v6/shared/mlog"
+	"github.com/mattermost/mattermost-server/v6/testlib"
 )
 
 var mainHelper *testlib.MainHelper

config/memory.go

@@ -8,7 +8,7 @@ import (
 
 	"github.com/pkg/errors"
 
-	"github.com/mattermost/mattermost-server/v5/model"
+	"github.com/mattermost/mattermost-server/v6/model"
 )
 
 // MemoryStore implements the Store interface. It is meant primarily for testing.

config/migrate_test.go

@@ -12,7 +12,7 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
-	"github.com/mattermost/mattermost-server/v5/model"
+	"github.com/mattermost/mattermost-server/v6/model"
 )
 
 type cleanUpFn func(store *Store)

config/store.go

@@ -10,8 +10,8 @@ import (
 
 	"github.com/pkg/errors"
 
-	"github.com/mattermost/mattermost-server/v5/model"
-	"github.com/mattermost/mattermost-server/v5/utils/jsonutils"
+	"github.com/mattermost/mattermost-server/v6/model"
+	"github.com/mattermost/mattermost-server/v6/utils/jsonutils"
 )
 
 var (

config/utils.go

@@ -10,10 +10,10 @@ import (
 	"reflect"
 	"strings"
 
-	"github.com/mattermost/mattermost-server/v5/model"
-	"github.com/mattermost/mattermost-server/v5/shared/i18n"
-	"github.com/mattermost/mattermost-server/v5/shared/mlog"
-	"github.com/mattermost/mattermost-server/v5/utils"
+	"github.com/mattermost/mattermost-server/v6/model"
+	"github.com/mattermost/mattermost-server/v6/shared/i18n"
+	"github.com/mattermost/mattermost-server/v6/shared/mlog"
+	"github.com/mattermost/mattermost-server/v6/utils"
 )
 
 // marshalConfig converts the given configuration into JSON bytes for persistence.

config/utils_test.go

@@ -9,8 +9,8 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
-	"github.com/mattermost/mattermost-server/v5/model"
-	"github.com/mattermost/mattermost-server/v5/utils"
+	"github.com/mattermost/mattermost-server/v6/model"
+	"github.com/mattermost/mattermost-server/v6/utils"
 )
 
 func TestDesanitize(t *testing.T) {

config/watcher.go

@@ -9,7 +9,7 @@ import (
 	"github.com/fsnotify/fsnotify"
 	"github.com/pkg/errors"
 
-	"github.com/mattermost/mattermost-server/v5/shared/mlog"
+	"github.com/mattermost/mattermost-server/v6/shared/mlog"
 )
 
 // watcher monitors a file for changes