Increment version to 2.19.2.0 (#186)

Signed-off-by: opensearch-ci-bot <[email protected]>
Co-authored-by: opensearch-ci-bot <[email protected]>

Author: opensearch-trigger-bot[bot]

package.json

@@ -69,4 +69,4 @@
     "node_modules/*",
     "target/*"
   ]
-}
+}