1.2.1 build all plugins (#1299)

* Only update core for 1.2.1 aso plugin teams can depend on it for builds

Signed-off-by: Peter Nied <petern@amazon.com>

manifests/1.2.1/opensearch-1.2.1.yml

@@ -31,4 +31,69 @@ components:
     ref: "1.2"
     checks:
       - gradle:properties:version
-      - gradle:dependencies:opensearch.version: alerting
+      - gradle:dependencies:opensearch.version: alerting
+  - name: asynchronous-search
+    repository: https://github.com/opensearch-project/asynchronous-search.git
+    ref: "1.2"
+    checks:
+      - gradle:properties:version
+      - gradle:dependencies:opensearch.version
+  - name: index-management
+    repository: https://github.com/opensearch-project/index-management.git
+    ref: "1.2"
+    checks:
+      - gradle:properties:version
+      - gradle:dependencies:opensearch.version
+  - name: k-NN
+    repository: https://github.com/opensearch-project/k-NN.git
+    ref: "1.2"
+    platforms:
+      - darwin
+      - linux
+    checks:
+      - gradle:properties:version
+      - gradle:dependencies:opensearch.version
+  - name: security
+    repository: https://github.com/opensearch-project/security.git
+    ref: "1.2"
+  - name: performance-analyzer
+    repository: https://github.com/opensearch-project/performance-analyzer.git
+    ref: "1.2"
+    checks:
+      - gradle:properties:version
+      - gradle:dependencies:opensearch.version
+    platforms:
+      - darwin
+      - linux
+  - name: anomaly-detection
+    repository: https://github.com/opensearch-project/anomaly-detection.git
+    ref: "1.2"
+    checks:
+      - gradle:properties:version
+      - gradle:dependencies:opensearch.version
+  - name: cross-cluster-replication
+    repository: https://github.com/opensearch-project/cross-cluster-replication.git
+    ref: "1.2"
+    checks:
+      - gradle:properties:version
+      - gradle:dependencies:opensearch.version
+  - name: sql
+    repository: https://github.com/opensearch-project/sql.git
+    ref: "1.2"
+    checks:
+      - gradle:properties:version
+      - gradle:dependencies:opensearch.version: plugin
+  - name: dashboards-reports
+    repository: https://github.com/opensearch-project/dashboards-reports.git
+    ref: "1.2"
+    working_directory: "reports-scheduler"
+    checks:
+      - gradle:properties:version
+      - gradle:dependencies:opensearch.version
+  - name: opensearch-observability
+    repository: https://github.com/opensearch-project/trace-analytics.git
+    ref: "1.2"
+    working_directory: "opensearch-observability"
+    checks:
+      - gradle:properties:version
+      - gradle:dependencies:opensearch.version