[FlINK-36392] put the build-arg in the right place

Author: SamBarker

.github/workflows/ci.yml

@@ -164,7 +164,7 @@ jobs:
           export DOCKER_BUILDKIT=1
           eval $(minikube -p minikube docker-env)
           JAVA_VERSION=${{ matrix.java-version }}
-          docker build --progress=plain --no-cache -f ./Dockerfile -t flink-kubernetes-operator:ci-latest --progress plain -- -build-arg JAVA_VERSION="${JAVA_VERSION:-11}" .
+          docker build --progress=plain --no-cache -f ./Dockerfile -t flink-kubernetes-operator:ci-latest --progress -build-arg JAVA_VERSION="${JAVA_VERSION:-11}" plain -- .
           docker images
       - name: Start the operator
         run: |