Added alerting to 1.2.3 manifest.

Signed-off-by: dblock <[email protected]>

Author: dblock

manifests/1.2.3/opensearch-1.2.3.yml

@@ -26,3 +26,9 @@ components:
     checks:
       - gradle:properties:version
       - gradle:dependencies:opensearch.version
+  - name: alerting
+    repository: https://github.com/opensearch-project/alerting.git
+    ref: "1.2"
+    checks:
+      - gradle:properties:version
+      - gradle:dependencies:opensearch.version: alerting