Add priority to protected branch (#32286)

## Solves

Currently for rules to re-order them you have to alter the creation
date. so you basicly have to delete and recreate them in the right
order. This is more than just inconvinient ...

## Solution

Add a new col for prioritization

## Demo WebUI Video

https://github.com/user-attachments/assets/92182a31-9705-4ac5-b6e3-9bb74108cbd1


---
*Sponsored by Kithara Software GmbH*

routers/web/repo/setting/protected_branch.go

@@ -322,6 +322,16 @@ func DeleteProtectedBranchRulePost(ctx *context.Context) {
 	ctx.JSONRedirect(fmt.Sprintf("%s/settings/branches", ctx.Repo.RepoLink))
 }
 
+func UpdateBranchProtectionPriories(ctx *context.Context) {
+	form := web.GetForm(ctx).(*forms.ProtectBranchPriorityForm)
+	repo := ctx.Repo.Repository
+
+	if err := git_model.UpdateProtectBranchPriorities(ctx, repo, form.IDs); err != nil {
+		ctx.ServerError("UpdateProtectBranchPriorities", err)
+		return
+	}
+}
+
 // RenameBranchPost responses for rename a branch
 func RenameBranchPost(ctx *context.Context) {
 	form := web.GetForm(ctx).(*forms.RenameBranchForm)