Switch release pipeline to use Python script for version generation and update Docker tag usage

Author: lithorus

.github/workflows/release-pipeline.yml

@@ -115,14 +115,13 @@ jobs:
       - name: Set build ID
         run: |
           set -e
-          ci/generate_version_number.sh > VERSION
-          echo "Build ID: $(cat ./VERSION)"
-          echo "BUILD_ID=$(cat ./VERSION)" >> ${GITHUB_ENV}
+          echo "Build ID: $(ci/generate_version_number.py)"
+          echo "BUILD_ID=$(ci/generate_version_number.py)" >> ${GITHUB_ENV}
 
       - name: Pull Docker image from staging
         run: |
           set -e
-          docker pull opencuebuild/${{ matrix.component }}:${TAG_NAME}
+          docker pull opencuebuild/${{ matrix.component }}:${BUILD_ID}
 
       - name: Login to Docker Hub
         uses: docker/login-action@v2
@@ -172,8 +171,8 @@ jobs:
         run: |
           set -e
           ci/generate_version_number.sh > VERSION
-          echo "Build ID: $(cat ./VERSION)"
-          echo "BUILD_ID=$(cat ./VERSION)" >> ${GITHUB_ENV}
+          echo "Build ID: $(ci/generate_version_number.py)"
+          echo "BUILD_ID=$(ci/generate_version_number.py)" >> ${GITHUB_ENV}
 
       - name: Fetch artifacts
         id: fetch_artifacts