github actions: integrate slack

Author: weickmanna

.github/workflows/default.yml

@@ -110,3 +110,15 @@ jobs:
           mvn -B versions:set "-DnewVersion=$NEXT_SNAPSHOT_VERSION" versions:commit
           git commit -am "[skip ci] set development version $NEXT_SNAPSHOT_VERSION"
           git push origin HEAD:master
+
+
+  notify-slack:
+    needs: build-and-test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Notify Slack
+        uses: iRoachie/[email protected]
+        env:
+          SLACK_WEBHOOK_URL: ${{ vars.LP_SLACK_WEBHOOK_URL }}
+        with:
+          status: ${{ job.status }}