Increment version to 2.20.0-SNAPSHOT

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

Author: opensearch-ci-bot

alerting/build.gradle

@@ -78,7 +78,7 @@ configurations.all {
         force "com.fasterxml.jackson.dataformat:jackson-dataformat-cbor:${versions.jackson}"
         force "commons-logging:commons-logging:${versions.commonslogging}"
         force "org.apache.httpcomponents:httpcore:${versions.httpcore}"
-        // force the version until OpenSearch upgrade to an invulnerable one, https://www.whitesourcesoftware.com/vulnerability-database/WS-2019-0379
+        // force the version until OpenSearch upgrade to an invulnerable one, https://www.whitesourcesoftware.com/vulnerability-database/WS-2.20.0379
         force "commons-codec:commons-codec:1.13"
 
         // This is required because kotlin-coroutines-core 1.1.1 still requires kotlin stdlib 1.3.20 and we're using a higher kotlin version

build.gradle

@@ -7,7 +7,7 @@ buildscript {
     apply from: 'build-tools/repositories.gradle'
 
     ext {
-        opensearch_version = System.getProperty("opensearch.version", "2.19.0-SNAPSHOT")
+        opensearch_version = System.getProperty("opensearch.version", "2.20.0-SNAPSHOT")
         buildVersionQualifier = System.getProperty("build.version_qualifier", "")
         isSnapshot = "true" == System.getProperty("build.snapshot", "true")
         // 2.7.0-SNAPSHOT -> 2.7.0.0-SNAPSHOT