[MM-19948] Set version on module file and internal paths (#13186)

* [MM-19948] Set version on module file and internal paths

* Fixes after merge

* Fix i18n checker error

plugin/plugintest/hooks.go

@@ -10,9 +10,9 @@ import (
 
 	mock "github.com/stretchr/testify/mock"
 
-	model "github.com/mattermost/mattermost-server/model"
+	model "github.com/mattermost/mattermost-server/v5/model"
 
-	plugin "github.com/mattermost/mattermost-server/plugin"
+	plugin "github.com/mattermost/mattermost-server/v5/plugin"
 )
 
 // Hooks is an autogenerated mock type for the Hooks type