update version sync workflow

.github/workflows/sync_lab_release.yml

@@ -25,43 +25,53 @@ jobs:
         run: |
           python -m pip install tbump
 
+      - name: Check for new releases
+        shell: bash
+        run: |
+          set -eux
+          export LATEST=$(python scripts/get_latest_lab_version.py)
+          echo "latest=${LATEST}" >> $GITHUB_ENV
+          tbump --only-patch ${LATEST}-1 --non-interactive
+          if [[ ! -z "$(git status --porcelain package.json)" ]]; then
+            echo "update_available='true'" >> $GITHUB_ENV
+          fi
+
       - name: Install Node
+        if: env.update_available == 'true'
         uses: actions/setup-node@v3
         with:
           node-version: '14.x'
-
+      
       - name: Install npm dependencies
+        if: env.update_available == 'true'
         run: |
           npm install --global yarn
           yarn install
 
-      - name: Check for new releases
-        shell: bash
-        run: |
-          set -eux
-          export LATEST=$(python scripts/get_latest_lab_version.py)
-          echo "latest=${LATEST}" >> $GITHUB_ENV
-          tbump --only-patch ${LATEST}-1 --non-interactive
+      - name: Install conda
+        if: env.update_available == 'true'
+        uses: s-weigand/setup-conda@v1
+        - run: conda install -c conda-forge conda conda-lock -y
+
       - name: Create a PR if needed
+        if: env.update_available == 'true'
         shell: bash
         env:
           GITHUB_USER: ${{ secrets.GITHUB_USER }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           set -eux
-          # if resulted in any change:
+          yarn update_conda_lock
           export LATEST=${{ env.latest }}
-          if [[ ! -z "$(git status --porcelain package.json)" ]]; then
-            export BRANCH_NAME=update-to-v${LATEST}
-            # this will fail if the branch already exists which means we won't have duplicate PRs
-            git checkout -b "${BRANCH_NAME}"
-            git config user.name "JupyterLab Desktop Bot"
-            git config user.email '[email protected]'
+          export BRANCH_NAME=update-to-v${LATEST}
+          # this will fail if the branch already exists which means we won't have duplicate PRs
+          git checkout -b "${BRANCH_NAME}"
+          git config user.name "JupyterLab Desktop Bot"
+          git config user.email '[email protected]'
 
-            git commit . -m "Update to JupyterLab v${LATEST}"
+          git commit . -m "Update to JupyterLab v${LATEST}"
 
-            git push --set-upstream origin "${BRANCH_NAME}"            
-            hub pull-request -m "Update to JupyterLab v${LATEST}" \
-                -m "New JupyterLab release [v${LATEST}](https://github.com/jupyterlab/jupyterlab/releases/tag/v${LATEST}) is available. Please review the lock file carefully.".
-          fi
+          git push --set-upstream origin "${BRANCH_NAME}"            
+          hub pull-request -m "Update to JupyterLab v${LATEST}" \
+              -m "New JupyterLab release [v${LATEST}](https://github.com/jupyterlab/jupyterlab/releases/tag/v${LATEST}) is available. Please review the lock file carefully.".