Updated build yaml for dev container

.github/workflows/manual-build.yml

@@ -18,6 +18,11 @@ jobs:
         uses: actions/checkout@v3
         with:
           ref: ${{ github.event.inputs.branch }}
+      - name: Extract Version
+        id: extract_version
+        run: |
+          version=$(python3 -c "import version; print(f'dev-{version.__version__'})")
+          echo "VERSION=$version" >> $GITHUB_ENV
 
       # Set up Docker
       - name: Set up Docker Buildx