Fix CI artifact sources (opensearch-project#4131)

* Fix CI artifact sources

Signed-off-by: Simeon Widdis <sawiddis@amazon.com>

* Fix the version

Signed-off-by: Simeon Widdis <sawiddis@amazon.com>

* Maybe 3.1?

Signed-off-by: Simeon Widdis <sawiddis@amazon.com>

---------

Signed-off-by: Simeon Widdis <sawiddis@amazon.com>

Author: Swiddis

build.gradle

@@ -67,7 +67,6 @@ buildscript {
     repositories {
         mavenLocal()
         maven { url "https://central.sonatype.com/repository/maven-snapshots/" }
-        maven { url "https://aws.oss.sonatype.org/content/repositories/snapshots" }
         mavenCentral()
     }
 
@@ -93,7 +92,6 @@ apply plugin: 'opensearch.java-agent'
 repositories {
     mavenLocal()
     maven { url "https://central.sonatype.com/repository/maven-snapshots/" }
-    maven { url "https://aws.oss.sonatype.org/content/repositories/snapshots" }
     mavenCentral() // For Elastic Libs that you can use to get started coding until open OpenSearch libs are available
     maven { url 'https://jitpack.io' }
 }
@@ -158,7 +156,6 @@ subprojects {
     repositories {
         mavenLocal()
         maven { url "https://central.sonatype.com/repository/maven-snapshots/" }
-        maven { url "https://aws.oss.sonatype.org/content/repositories/snapshots" }
         mavenCentral()
         maven { url "https://ci.opensearch.org/ci/dbc/snapshots/lucene/" }
         maven { url 'https://jitpack.io' }

integ-test/build.gradle

@@ -48,7 +48,7 @@ apply plugin: 'com.wiredforcode.spawn'
 // The next major version is only API compat w/ the last minor of the previous major.
 // baseVersion need to roll-froward accordingly, as new 2.x of OpenSearch being released.
 // See: https://github.com/opensearch-project/OpenSearch/issues/3615
-String baseVersion = "2.20.0"
+String baseVersion = "3.1.0"
 String bwcVersion = baseVersion + ".0";
 String baseName = "sqlBwcCluster"
 String bwcFilePath = "src/test/resources/bwc/"