[stable2506] Backport #9348 (#9351)

Backport #9348 into `stable2506` from EgorPopelyaev.

See the
[documentation](https://github.com/paritytech/polkadot-sdk/blob/master/docs/BACKPORT.md)
on how to use this bot.

<!--
  # To be used by other automation, do not modify:
  original-pr-number: #${pull_number}
-->

Co-authored-by: Egor_P <[email protected]>

Author: paritytech-release-backport-bot[bot]

.github/workflows/release-99_notif-published.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         channel:
-          # Internal
+         # Internal
           - name: "RelEng: Polkadot Release Coordination"
             room: '!cqAmzdIcbOFwrdrubV:parity.io'
             pre-release: true
@@ -22,7 +22,7 @@ jobs:
             room: '!EoIhaKfGPmFOBrNSHT:web3.foundation'
             pre-release: true
 
-          # Public
+         # Public
           - name: '#polkadotvalidatorlounge:web3.foundation'
             room: '!NZrbtteFeqYKCUGQtr:matrix.parity.io'
             pre-releases: false
@@ -34,6 +34,20 @@ jobs:
             pre-releases: false
 
     steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.release.tag_name }}
+
+      - name: Extract node version
+        id: extract_version
+        run: |
+          . ./.github/scripts/common/lib.sh
+
+          version=v$(get_polkadot_node_version_from_code)
+          echo "Extracted node version: $version"
+          echo "node_version=$version" >> $GITHUB_OUTPUT
+
       - name: Matrix notification to ${{ matrix.channel.name }}
         if: github.event.release.prerelease == false || matrix.channel.pre-release
         uses: s3krit/matrix-message-action@70ad3fb812ee0e45ff8999d6af11cafad11a6ecf # v0.0.3
@@ -45,6 +59,7 @@ jobs:
             @room
 
             A new node release has been ${{github.event.action}} in **${{github.event.repository.full_name}}:**<br/>
-            Release version: [${{github.event.release.tag_name}}](${{github.event.release.html_url}})
+            Release version: [${{github.event.release.tag_name}}](${{github.event.release.html_url}})<br/>
+            Node version: ${{ steps.extract_version.outputs.node_version }}
 
             -----