ci: do not run on PR pushes [ci skip]

Signed-off-by: Shengqi Chen <harry-chen@outlook.com>

.github/workflows/docker-images.yml

@@ -2,7 +2,13 @@ name: docker-images
 
 on:
   push:
+    branches:
+    - master
+    - docker-test
   pull_request:
+    branches:
+    - master
+    - docker-test
   workflow_dispatch:
 
 jobs:
@@ -14,6 +20,7 @@ jobs:
           - ubuntu-latest
           - ubuntu-24.04-arm
     runs-on: ${{ matrix.os }}
+    if: ${{ !contains(github.event.head_commit.message, '[ci skip]') }}
     steps:
       -
         name: Checkout
@@ -129,7 +136,7 @@ jobs:
     runs-on: ubuntu-latest
     needs:
       - multi
-    if: always() && github.event_name == 'push'
+    if: always() && github.event_name == 'push' && !contains(github.event.head_commit.message, '[ci skip]')
     steps:
       -
         name: Determine docker tag