fix: fix timestamp, use PIP yq in workflow (redhat-developer#924)

Signed-off-by: Beth Griggs <[email protected]>

.github/workflows/generate-supported-plugins-pr.yml

@@ -18,11 +18,20 @@ jobs:
           ref: ${{ github.event.inputs.branch }}
           fetch-depth: 0
 
+      - name: Install PIP `yq`
+        run: |
+          python3 -m pip install --upgrade pip
+          pip install yq
+          echo "Installed `yq` version: $(yq --version)"
+
       - name: Set up Git user
         run: |
           git config --global user.name "github-actions[bot]"
           git config --global user.email "github-actions[bot]@users.noreply.github.com"
 
+      - name: Generate timestamp
+        run: echo "TIMESTAMP=$(date +'%Y%m%d-%H%M%S' -u)" >> $GITHUB_ENV
+
       - name: Run the script on branch
         run: bash modules/dynamic-plugins/rhdh-supported-plugins.sh -b ${{ github.event.inputs.branch }}
 
@@ -32,5 +41,5 @@ jobs:
           commit-message: "chore: automated update of supported plugins list"
           title: "Automated update of supported plugins list for ${{ github.event.inputs.branch }}"
           body: "This PR was automatically generated by running rhdh-supported-plugins.sh."
-          branch: "update-${{ github.event.inputs.branch }}-$(date +%Y%m%d%H%M)"
+          branch: "update-${{ github.event.inputs.branch }}-${{ env.TIMESTAMP }}"
           base: ${{ github.event.inputs.branch }}