Replace -u by --username on docker login command

.github/workflows/docker-image-build.yml

@@ -17,6 +17,6 @@ jobs:
         id: buildx
         uses: crazy-max/ghaction-docker-buildx@v1
         with:
-          version: latest
+          buildx-version: latest
       - name: Build the image
         run: bash ./docker/build

docker/build

@@ -6,8 +6,7 @@ PLATFORMS="linux/arm/v7,linux/arm64/v8,linux/amd64"
 # PLATFORMS="linux/amd64"
 DOCKER_IMAGE="shlinkio/lab"
 
-echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin
-echo "Building version $GITHUB_REF"
+echo "$DOCKER_PASSWORD" | docker login --username "$DOCKER_USERNAME" --password-stdin
 
 # If ref is not develop, then this is a tag. Build that docker tag and also "stable"
 if [[ "$GITHUB_REF" != *"develop"* ]]; then