MM-31063: Change constants to use CamelCase (#16608)

* MM-31063: Change constants to use CamelCase

* store package

* change allcaps to camel case (#16615)

* New tools.mod

Co-authored-by: Ibrahim Serdar Acikgoz <serdaracikgoz86@gmail.com>

api4/openGraph.go

@@ -11,10 +11,10 @@ import (
 	"github.com/mattermost/mattermost-server/v5/services/cache"
 )
 
-const OPEN_GRAPH_METADATA_CACHE_SIZE = 10000
+const OpenGraphMetadataCacheSize = 10000
 
 var openGraphDataCache = cache.NewLRU(cache.LRUOptions{
-	Size: OPEN_GRAPH_METADATA_CACHE_SIZE,
+	Size: OpenGraphMetadataCacheSize,
 })
 
 func (api *API) InitOpenGraph() {