Add stable-rc tags to the docker images (paritytech#5896)

This PR adds the `stableYYMM-rcX` or `stableYYMM-X-rcX` tags to the
docker images, so that they could be published with the new tag naming
scheme.

Closes: paritytech/release-engineering#224

.github/scripts/common/lib.sh

@@ -462,7 +462,7 @@ function get_polkadot_node_version_from_code() {
 
 validate_stable_tag() {
     tag="$1"
-    pattern='^stable[0-9]+(-[0-9]+)?$'
+    pattern="^stable[0-9]{4}(-[0-9]+)?(-rc[0-9]+)?$"
 
     if [[ $tag =~ $pattern ]]; then
         echo $tag

.github/workflows/release-50_publish-docker.yml

@@ -86,7 +86,7 @@ jobs:
 
     steps:
       - name: Checkout sources
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
 
       - name: Validate inputs
         id: validate_inputs
@@ -111,7 +111,7 @@ jobs:
 
     steps:
       - name: Checkout sources
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
 
       #TODO: this step will be needed when automated triggering will work
         #this step runs only if the workflow is triggered automatically when new release is published
@@ -134,7 +134,7 @@ jobs:
           . ./.github/scripts/common/lib.sh
 
           VERSION="${{ needs.validate-inputs.outputs.VERSION }}"
-          if [[ $BINARY == 'polkadot' ]]; then
+          if [[ ${{ inputs.binary }} == 'polkadot' ]]; then
             bins=(polkadot polkadot-prepare-worker polkadot-execute-worker)
             for bin in "${bins[@]}"; do
               fetch_release_artifacts_from_s3 $bin
@@ -166,7 +166,7 @@ jobs:
 
     steps:
       - name: Checkout sources
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
 
       - name: Download artifacts
         uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
@@ -194,15 +194,14 @@ jobs:
         run: |
           . ./.github/scripts/common/lib.sh
 
-          release="${{ needs.validate-inputs.outputs.VERSION }}" && \
+          release="${{ needs.validate-inputs.outputs.stable_tag }}" && \
           echo "release=${release}" >> $GITHUB_OUTPUT
 
           commit=$(git rev-parse --short HEAD) && \
           echo "commit=${commit}" >> $GITHUB_OUTPUT
 
-          tag=$(git name-rev --tags --name-only $(git rev-parse HEAD)) && \
-          [ "${tag}" != "undefined" ] && echo "tag=${tag}" >> $GITHUB_OUTPUT || \
-          echo "No tag, doing without"
+          tag="${{ needs.validate-inputs.outputs.version }}" && \
+          echo "tag=${tag}" >> $GITHUB_OUTPUT
 
       - name: Fetch release tags
         working-directory: release-artifacts
@@ -322,7 +321,7 @@ jobs:
     environment: release
     steps:
       - name: Checkout sources
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db # v3.6.1