Upgrade xorm to v1.3.7 to fix a resource leak problem caused by Iterate (go-gitea#28891) (go-gitea#28895)

backport go-gitea#28891

Mainly fix an error https://gitea.com/xorm/xorm/issues/2393

Author: lunny

go.mod

@@ -121,7 +121,7 @@ require (
 	mvdan.cc/xurls/v2 v2.5.0
 	strk.kbt.io/projects/go/libravatar v0.0.0-20191008002943-06d1c002b251
 	xorm.io/builder v0.3.13
-	xorm.io/xorm v1.3.6
+	xorm.io/xorm v1.3.7
 )
 
 require (