CI: Add Teams Notifications workflow (#667)

* ci: Add Teams Notifications workflow

* ci: Update types for pull_request event

.github/workflows/teams-notifications.yml

@@ -0,0 +1,36 @@
+name: Teams Notifications
+
+on:
+  issues:
+    types: [assigned]
+  pull_request:
+    types: [assigned, closed, opened]
+  workflow_run:
+    workflows: ["Test suite"]
+    types:
+      - completed
+
+jobs:
+  notify_teams:
+    runs-on: ubuntu-latest
+    if: always() # This ensures that the notification runs even if the workflow fails
+    steps:
+      - name: Notify Teams on Issue Assignment
+        if: github.event_name == 'issues'
+        run: |
+          curl -H "Content-Type: application/json" -d "{\"text\": \"🚀 Issue Assigned: ${{ github.event.issue.title }} assigned to ${{ github.event.issue.assignee.login }}\"}" ${{ secrets.TEAMS_WEBHOOK_URL }}
+
+      - name: Notify Teams on Pull Request Assignment
+        if: github.event_name == 'pull_request' && github.event.action == 'assigned'
+        run: |
+          curl -H "Content-Type: application/json" -d "{\"text\": \"🚀 PR Assigned: ${{ github.event.pull_request.title }} assigned to ${{ github.event.pull_request.assignee.login }}\"}" ${{ secrets.TEAMS_WEBHOOK_URL }}
+
+      - name: Notify Teams on Pull Request Merged
+        if: github.event_name == 'pull_request' && github.event.action == 'closed' && github.event.pull_request.merged == true
+        run: |
+          curl -H "Content-Type: application/json" -d "{\"text\": \"🎉 PR Merged: ${{ github.event.pull_request.title }}\"}" ${{ secrets.TEAMS_WEBHOOK_URL }}
+
+      - name: Notify Teams on Pipeline Failure
+        if: github.event_name == 'workflow_run' && github.event.workflow_run.conclusion == 'failure'
+        run: |
+          curl -H "Content-Type: application/json" -d "{\"text\": \"⚠️ Pipeline Failed: ${{ github.event.workflow_run.name }} failed\"}" ${{ secrets.TEAMS_WEBHOOK_URL }}