Fix schedule tasks bugs (#28691)

Fix #28157

This PR fix the possible bugs about actions schedule.

- Move `UpdateRepositoryUnit` and `SetRepoDefaultBranch` from models to
service layer
- Remove schedules plan from database and cancel waiting & running
schedules tasks in this repository when actions unit has been disabled
or global disabled.
- Remove schedules plan from database and cancel waiting & running
schedules tasks in this repository when default branch changed.

(cherry picked from commit 97292da960)

Conflicts:
	modules/actions/github.go
	routers/web/repo/setting/default_branch.go
	routers/web/repo/setting/setting.go
	services/repository/branch.go
	services/repository/setting.go
	tests/integration/actions_trigger_test.go

models/actions/run.go

@@ -171,13 +171,14 @@ func updateRepoRunsNumbers(ctx context.Context, repo *repo_model.Repository) err
 }
 
 // CancelRunningJobs cancels all running and waiting jobs associated with a specific workflow.
-func CancelRunningJobs(ctx context.Context, repoID int64, ref, workflowID string) error {
+func CancelRunningJobs(ctx context.Context, repoID int64, ref, workflowID string, event webhook_module.HookEventType) error {
 	// Find all runs in the specified repository, reference, and workflow with statuses 'Running' or 'Waiting'.
 	runs, total, err := db.FindAndCount[ActionRun](ctx, FindRunOptions{
-		RepoID:     repoID,
-		Ref:        ref,
-		WorkflowID: workflowID,
-		Status:     []Status{StatusRunning, StatusWaiting},
+		RepoID:       repoID,
+		Ref:          ref,
+		WorkflowID:   workflowID,
+		TriggerEvent: event,
+		Status:       []Status{StatusRunning, StatusWaiting},
 	})
 	if err != nil {
 		return err