Fix build.

.github/workflows/dev.yml

@@ -28,12 +28,14 @@ jobs:
         uses: docker/setup-buildx-action@v2.2.1
 
       - name: Login to Docker Hub
+        if: github.event_name != 'pull_request'
         uses: docker/login-action@v2.1.0
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
       - name: BUILD
+        if: github.event_name != 'pull_request'
         uses: docker/build-push-action@v3.2.0
         with:
           push: true
@@ -55,6 +57,16 @@ jobs:
       - name: Pull from Cache
         run: docker pull squidex/squidex-build
 
+      - name: BUILD
+        if: github.event_name == 'pull_request'
+        uses: docker/build-push-action@v3.2.0
+        with:
+          load: true
+          build-args: "SQUIDEX__RUNTIME__VERSION=7.0.0-dev-${{ env.BUILD_NUMBER }}"
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          tags: squidex/squidex-build
+
       - name: Replace Image Name1
         uses: mikefarah/yq@v4.28.2
         with: