From 364b1948b4d1116915e7e8f2335ea1c310bd234c Mon Sep 17 00:00:00 2001
From: Jarek Potiuk <jarek@potiuk.com>
Date: Wed, 2 Oct 2024 01:50:12 -0700
Subject: [PATCH] Limit branches for pull request target workflow (#42635)

(cherry picked from commit e3fdb7e729781fccf02d9ab257d4382226c5b6c8)
---
 .github/workflows/build-images.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/build-images.yml b/.github/workflows/build-images.yml
index 4d90da4fe5138..8f7dd86912c49 100644
--- a/.github/workflows/build-images.yml
+++ b/.github/workflows/build-images.yml
@@ -21,6 +21,8 @@ run-name: >
   Build images for ${{ github.event.pull_request.title }} ${{ github.event.pull_request._links.html.href }}
 on:  # yamllint disable-line rule:truthy
   pull_request_target:
+    branches:
+      - main
 permissions:
   # all other permissions are set to none
   contents: read