SONARTEXT-802 Fix slack notification for public and private builds (#1158)

GitOrigin-RevId: f21c8933c74fd2b184252bf5c40466c389fd0c23

Author: jonas-wielage-sonarsource

.github/workflows/build.yml

@@ -58,3 +58,23 @@ jobs:
           gradle-args: "--build-cache -x artifactoryPublish -Dsonar.projectName=SonarText"
           disable-caching: true
           shadow-scan: ${{ github.event_name == 'schedule' }}
+
+  notify_slack:
+    name: Notify Slack on Failure
+    needs: [ build ]
+    if: >-
+      failure() && ! cancelled() &&
+      (github.ref_name == github.event.repository.default_branch ||
+      startsWith(github.ref_name, 'branch-') ||
+      startsWith(github.ref_name, 'feature/'))
+    permissions:
+      id-token: write
+      statuses: read
+    runs-on: github-ubuntu-latest-s
+    steps:
+      - uses: SonarSource/release-github-actions/notify-slack@v1
+        with:
+          project-name: "SonarText - Public"
+          slack-channel: "squad-security-cloud-notifs"
+          icon: ':shushing_face:'
+          jobs: ${{ toJSON(needs) }}