Fix failures when publishing images to Ghcr

When building several images, some of them fail with
'io: read/write on closed pipe' error and cause the whole job
to fail.
The issues seems to be in build-push-action:
docker/build-push-action#761

.github/workflows/publishDockerImagesGhcr.yml

@@ -25,6 +25,7 @@ jobs:
   build-and-publish-image:
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
         include:
           - name: resource-aggregate
@@ -86,6 +87,9 @@ jobs:
       - name: Set up Docker Buildx
         id: buildx
         uses: docker/setup-buildx-action@v2
+        with:
+          driver-opts: |
+            image=moby/buildkit:v0.10.6
 
       - name: Log in to the Container registry
         uses: docker/login-action@v2
@@ -96,7 +100,7 @@ jobs:
 
       - name: Set vars.branch
         id: vars
-        run: BRANCH=${GITHUB_REF#refs/*/} && echo ${BRANCH} && echo "::set-output name=branch::${BRANCH}"
+        run: BRANCH=${GITHUB_REF#refs/*/} && echo ${BRANCH} && echo "branch=${BRANCH}" >> $GITHUB_OUTPUT
 
       - name: Extract metadata (tags, labels) for docker image
         id: meta
@@ -115,6 +119,7 @@ jobs:
       - name: Build and push docker image
         uses: docker/build-push-action@v3
         with:
+          # https://github.com/docker/build-push-action/issues/761
           context: ./
           platforms: linux/amd64,linux/arm64
           builder: ${{ steps.buildx.outputs.name }}

.github/workflows/releaseHelmCharts.yml

@@ -17,7 +17,7 @@ jobs:
           fetch-depth: 0
       - name: Get the version
         id: get_version
-        run: echo ::set-output name=VERSION::${GITHUB_REF#refs/tags/v}
+        run: echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT
       - name: Publish Helm chart
         uses: stefanprodan/helm-gh-pages@master
         with: