[AUTO] Increment version to 1.3.20-SNAPSHOT (#4692)

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

.github/workflows/plugin_install.yml

@@ -3,7 +3,7 @@ name: Plugin Install
 on: [push, pull_request, workflow_dispatch]
 
 env:
-  OPENSEARCH_VERSION: 1.3.19
+  OPENSEARCH_VERSION: 1.3.20
   PLUGIN_NAME: opensearch-security
 
 jobs:

build.gradle

@@ -58,7 +58,7 @@ repositories {
 
 ext {
     isSnapshot = "true" == System.getProperty("build.snapshot", "true")
-    opensearch_version = System.getProperty("opensearch.version", "1.3.19-SNAPSHOT")
+    opensearch_version = System.getProperty("opensearch.version", "1.3.20-SNAPSHOT")
     buildVersionQualifier = System.getProperty("build.version_qualifier", "")
     version_tokens = opensearch_version.tokenize('-')
     opensearch_build = version_tokens[0] + '.0'