fix: silent unnecessary notification failures for each run (#2141)

Co-authored-by: Derek Roberts <[email protected]>

.github/workflows/notifications.yml

@@ -5,11 +5,17 @@ on:
     types:
       - completed
 jobs:
+  troubleshoot:
+    runs-on: ubuntu-24.04
+    steps:
+      - run: echo "${{ vars.MS_TEAMS_WEBHOOK_URI }}"
+
   notify-teams-pr:
-    if: ${{github.event.workflow_run.event == 'pull_request'}}
+    if: ${{github.event.workflow_run.event == 'pull_request' && vars.MS_TEAMS_WEBHOOK_URI != null}}
     runs-on: ubuntu-24.04
     steps:
       - uses: simbo/msteams-message-card-action@latest
+        if: ${{ vars.MS_TEAMS_WEBHOOK_URI != null}}
         with:
           webhook: ${{ vars.MS_TEAMS_WEBHOOK_URI }}
           title: "${{github.event.workflow_run.head_commit.message}}" 
@@ -26,10 +32,11 @@ jobs:
                 image: ${{github.event.workflow_run.head_repository.owner.avatar_url}}
                 text: PR Opened
   notify-teams-merged:
-    if: ${{github.event.workflow_run.event == 'push'}}
+    if: ${{github.event.workflow_run.event == 'push' && vars.MS_TEAMS_WEBHOOK_URI != null}}
     runs-on: ubuntu-24.04
     steps:
       - name: PR Number
+        if: ${{ vars.MS_TEAMS_WEBHOOK_URI != null }}
         id: pr
         shell: bash
         run: |
@@ -46,8 +53,9 @@ jobs:
           fi
           echo "pr=${pr}" >> $GITHUB_OUTPUT
       - uses: simbo/msteams-message-card-action@latest
+        if: ${{ vars.MS_TEAMS_WEBHOOK_URI }}
         with:
-          webhook: ${{ vars.MS_TEAMS_WEBHOOK_URI }}
+          webhook: ${{ vars.MS_TEAMS_WEBHOOK_URI != null }}
           title: "${{github.event.workflow_run.head_commit.message}}" 
           message: "${{github.event.workflow_run.head_commit.message}}" 
           color: 'dark orange'