models/forgejo_migrations: Gitea tables migration ID

Sync() will act on the given struct and the ID field should be exactly
as it is in the Gitea migration when a Gitea table is modified.

models/forgejo_migrations/v1_22/v6.go

@@ -9,7 +9,7 @@ import (
 
 func AddWikiBranchToRepository(x *xorm.Engine) error {
 	type Repository struct {
-		ID         int64
+		ID         int64 `xorm:"pk autoincr"`
 		WikiBranch string
 	}
 

models/forgejo_migrations/v1_22/v7.go

@@ -9,7 +9,7 @@ import (
 
 func AddUserRepoUnitHintsSetting(x *xorm.Engine) error {
 	type User struct {
-		ID                  int64
+		ID                  int64 `xorm:"pk autoincr"`
 		EnableRepoUnitHints bool  `xorm:"NOT NULL DEFAULT true"`
 	}