Migrate from sonatype snapshot to ci.opensearch.org snapshots

Signed-off-by: Lantao Jin <ltjin@amazon.com>

Author: LantaoJin

build.gradle

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