Added 2.19 release notes (#996) (#998)

(cherry picked from commit 20800df)

Signed-off-by: Riya Saxena <riysaxen@amazon.com>
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: opensearch-trigger-bot[bot]

.github/workflows/notifications-test-and-build-workflow.yml

@@ -66,13 +66,13 @@ jobs:
         shell: bash
 
       - name: Upload Artifacts for notifications plugin
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: notifications-plugin-${{ matrix.os }}
           path: notifications-build/notifications
 
       - name: Upload Artifacts for notifications-core plugin
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: notifications-core-plugin-${{ matrix.os }}
           path: notifications-build/notifications-core
@@ -132,13 +132,13 @@ jobs:
         shell: bash
 
       - name: Upload Artifacts for notifications plugin
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: notifications-plugin-${{ matrix.os }}
           path: notifications-build/notifications
 
       - name: Upload Artifacts for notifications-core plugin
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: notifications-core-plugin-${{ matrix.os }}
           path: notifications-build/notifications-core

release-notes/opensearch-notifications.release-notes-2.19.0.0.md

@@ -0,0 +1,9 @@
+## Version 2.19.0.0 2024-02-07
+
+Compatible with OpenSearch 2.19.0
+
+### Maintenance
+* Add JDK-23 to the build matrix ([#977](https://github.com/opensearch-project/notifications/pull/977))
+
+### Documentation
+* Add 2.19.0 release notes ([#996](https://github.com/opensearch-project/notifications/pull/996))