For CurseForge, avoid conflicting start script error when run.sh present (#1539)

.github/workflows/pr.yml

@@ -37,9 +37,18 @@ jobs:
           MINECRAFT_VERSION: LATEST
         run: |
           tests/test.sh
+  push:
+    runs-on: ubuntu-20.04
+    needs:
+      - test
+    if: contains(github.event.pull_request.labels.*.name, 'ci/push-image')
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Setup Docker Buildx
+        uses: docker/setup-buildx-action@v2
 
       - name: Gather Docker metadata
-        if: contains(github.event.pull_request.labels.*.name, 'ci/push-image')
         id: meta
         uses: docker/metadata-action@v4
         with:
@@ -47,18 +56,16 @@ jobs:
             itzg/minecraft-server
 
       - name: Login to DockerHub
-        if: contains(github.event.pull_request.labels.*.name, 'ci/push-image')
         uses: docker/login-action@v2
         with:
           username: ${{ secrets.DOCKER_USER }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
       - name: Push
-        if: contains(github.event.pull_request.labels.*.name, 'ci/push-image')
         uses: docker/build-push-action@v3.0.0
         with:
           context: .
-          platforms: linux/amd64,linux/arm/v7,linux/arm64
+          platforms: linux/amd64
           tags: ${{ steps.meta.outputs.tags }}
           pull: true
           push: true