Agniva De Sarker c4b4e1bc38 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
```

2021-07-22 12:21:47 +05:30

..

main.go

[MM-36268] Fix replication lag error on post reply (#17752)

2021-06-16 16:45:34 +02:00

opentracing_layer.go.tmpl

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

2021-07-22 12:21:47 +05:30

retry_layer.go.tmpl

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

2021-07-22 12:21:47 +05:30

timer_layer.go.tmpl

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

2021-07-22 12:21:47 +05:30