codestyle: moves cache to infra (#17519)

pkg/infra/localcache/cache.go

@@ -0,0 +1,19 @@
+package localcache
+
+import (
+	"time"
+
+	gocache "github.com/patrickmn/go-cache"
+)
+
+// CacheService cache any object in memory on the local instance.
+type CacheService struct {
+	*gocache.Cache
+}
+
+// New returns a new CacheService
+func New(defaultExpiration, cleanupInterval time.Duration) *CacheService {
+	return &CacheService{
+		Cache: gocache.New(defaultExpiration, cleanupInterval),
+	}
+}