apperently you can't do that

Author: Erk-

.github/workflows/docker.yml

@@ -52,10 +52,22 @@ jobs:
         run: |
           echo "REPO=${GITHUB_REPOSITORY,,}" >>${GITHUB_ENV}
 
+      - name: Build ${{ matrix.tag }}
+        if: !(github.ref == 'refs/heads/trunk' && github.event_name != 'pull_request')
+        uses: docker/build-push-action@v5
+        with:
+          push: false
+          tags: http-proxy:${{ matrix.tag }}
+          build-args: |
+            FEATURES=${{ matrix.features }}
+            RUST_TARGET=${{ matrix.rust-target }}
+            MUSL_TARGET=${{ matrix.musl-target }}
+
       - name: Build and push ${{ matrix.tag }}
+        if: github.ref == 'refs/heads/trunk' && github.event_name != 'pull_request'
         uses: docker/build-push-action@v5
         with:
-          push: github.ref == 'refs/heads/trunk' && github.event_name != 'pull_request'
+          push: true
           tags: http-proxy:${{ matrix.tag }}
           build-args: |
             FEATURES=${{ matrix.features }}