Pull images in before stage.

Author: Maksim Kostromin

.github/workflows/ci.yaml

@@ -17,4 +17,8 @@ jobs:
       - run: |
           echo "JAVA_HOME: $JAVA_HOME"
           java -version
+      - run: docker pull -q alpine:3.17
+      - run: docker pull -q testcontainers/ryuk:0.11.0
+      - run: docker pull -q testcontainers/vnc-recorder:1.3.0
+      - run: docker pull -q selenium/standalone-firefox:4.13.0
       - run: ./mvnw