Update release number validation to use the build flags the same as w…

…e would at compile time

.github/workflows/release_validation.yaml

@@ -51,10 +51,15 @@ jobs:
       ### Check the version number in the code matches the tag number
       - uses: actions/checkout@v3
 
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.x'
+
       - name: Retrieve the version number(s)
         run: |
           TAG_VERSION=$GITHUB_REF_NAME
-          CODE_VERSION=$(git describe --tags)
+          CODE_VERSION=$(python3 scripts/auto_fw_version.py | grep -E 'BUILD_TAG=([^ ]+)' -o | cut -d= -f2)
           echo TAG_VERSION=$TAG_VERSION >> $GITHUB_ENV
           echo CODE_VERSION=$CODE_VERSION >> $GITHUB_ENV