Increment version to 1.3.20.0 (#2147)

Signed-off-by: opensearch-ci-bot <opensearch-infra@amazon.com>
Co-authored-by: opensearch-ci-bot <opensearch-infra@amazon.com>

opensearch_dashboards.json

@@ -1,7 +1,7 @@
 {
   "id": "securityDashboards",
-  "version": "1.3.19.0",
-  "opensearchDashboardsVersion": "1.3.19",
+  "version": "1.3.20.0",
+  "opensearchDashboardsVersion": "1.3.20",
   "configPath": [
     "opensearch_security"
   ],

package.json

@@ -1,10 +1,10 @@
 {
   "name": "opensearch-security-dashboards",
-  "version": "1.3.19.0",
+  "version": "1.3.20.0",
   "main": "target/plugins/opensearch_security_dashboards",
   "opensearchDashboards": {
-    "version": "1.3.19",
-    "templateVersion": "1.3.19"
+    "version": "1.3.20",
+    "templateVersion": "1.3.20"
   },
   "license": "Apache-2.0",
   "homepage": "https://github.com/opensearch-project/security-dashboards-plugin",