refactor: rename chain package to run and update references

Signed-off-by: Deluan <deluan@navidrome.org>

persistence/persistence.go

@@ -9,7 +9,7 @@ import (
 	"github.com/navidrome/navidrome/db"
 	"github.com/navidrome/navidrome/log"
 	"github.com/navidrome/navidrome/model"
-	"github.com/navidrome/navidrome/utils/chain"
+	"github.com/navidrome/navidrome/utils/run"
 	"github.com/pocketbase/dbx"
 )
 
@@ -167,7 +167,7 @@ func (s *SQLStore) GC(ctx context.Context) error {
 		}
 	}
 
-	err := chain.RunSequentially(
+	err := run.Sequentially(
 		trace(ctx, "purge empty albums", func() error { return s.Album(ctx).(*albumRepository).purgeEmpty() }),
 		trace(ctx, "purge empty artists", func() error { return s.Artist(ctx).(*artistRepository).purgeEmpty() }),
 		trace(ctx, "mark missing artists", func() error { return s.Artist(ctx).(*artistRepository).markMissing() }),