Mark Cache with ini tag (#12605)

Signed-off-by: jolheiser <john.olheiser@gmail.com>

modules/setting/cache.go

@@ -23,7 +23,7 @@ type Cache struct {
 var (
 	// CacheService the global cache
 	CacheService = struct {
-		Cache
+		Cache `ini:"cache"`
 
 		LastCommit struct {
 			Enabled      bool