Support Actions concurrency syntax (#32751)

Fix #24769
Fix #32662
Fix #33260

Depends on https://gitea.com/gitea/act/pulls/124

-
https://docs.github.com/en/actions/writing-workflows/workflow-syntax-for-github-actions#concurrency

## ⚠️ BREAKING ⚠️

This PR removes the auto-cancellation feature added by #25716. Users
need to manually add `concurrency` to workflows to control concurrent
workflows or jobs.

---------

Signed-off-by: Zettat123 <zettat123@gmail.com>
Co-authored-by: Christopher Homberger <christopher.homberger@web.de>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

models/actions/run_list.go

@@ -64,15 +64,16 @@ func (runs RunList) LoadRepos(ctx context.Context) error {
 
 type FindRunOptions struct {
 	db.ListOptions
-	RepoID        int64
-	OwnerID       int64
-	WorkflowID    string
-	Ref           string // the commit/tag/… that caused this workflow
-	TriggerUserID int64
-	TriggerEvent  webhook_module.HookEventType
-	Approved      bool // not util.OptionalBool, it works only when it's true
-	Status        []Status
-	CommitSHA     string
+	RepoID           int64
+	OwnerID          int64
+	WorkflowID       string
+	Ref              string // the commit/tag/… that caused this workflow
+	TriggerUserID    int64
+	TriggerEvent     webhook_module.HookEventType
+	Approved         bool // not util.OptionalBool, it works only when it's true
+	Status           []Status
+	ConcurrencyGroup string
+	CommitSHA        string
 }
 
 func (opts FindRunOptions) ToConds() builder.Cond {
@@ -101,6 +102,12 @@ func (opts FindRunOptions) ToConds() builder.Cond {
 	if opts.CommitSHA != "" {
 		cond = cond.And(builder.Eq{"`action_run`.commit_sha": opts.CommitSHA})
 	}
+	if len(opts.ConcurrencyGroup) > 0 {
+		if opts.RepoID == 0 {
+			panic("Invalid FindRunOptions: repo_id is required")
+		}
+		cond = cond.And(builder.Eq{"`action_run`.concurrency_group": opts.ConcurrencyGroup})
+	}
 	return cond
 }