Add ci.opensearch.org/m2/ mirror for plugin resolution (asynchronous-search) (#851) (#853)

* Add ci.opensearch.org/m2/ mirror for plugin resolution (asynchronous-search)



* Address order issues



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(cherry picked from commit 8da1322)

Signed-off-by: shreyah963 <shreyab963@gmail.com>
Signed-off-by: Peter Zhu <zhujiaxi@amazon.com>
Signed-off-by: opensearch-ci-bot <opensearch-infra@amazon.com>
Co-authored-by: Shreya Bhatta <shreyab963@gmail.com>
Co-authored-by: Peter Zhu <zhujiaxi@amazon.com>

Author: 3 people

build.gradle

@@ -27,6 +27,7 @@ buildscript {
     repositories {
         mavenLocal()
         maven { url "https://ci.opensearch.org/maven2/" }
+        maven { url "https://ci.opensearch.org/m2/" }
         mavenCentral()
         maven { url "https://plugins.gradle.org/m2/" }
         maven { url "https://ci.opensearch.org/ci/dbc/snapshots/maven/" }
@@ -51,6 +52,7 @@ plugins {
 repositories {
     mavenLocal()
     maven { url "https://ci.opensearch.org/maven2/" }
+    maven { url "https://ci.opensearch.org/m2/" }
     mavenCentral()
     maven { url "https://plugins.gradle.org/m2/" }
     maven { url "https://ci.opensearch.org/ci/dbc/snapshots/maven/" }

settings.gradle

@@ -6,6 +6,7 @@
 pluginManagement {
     repositories {
         maven { url "https://ci.opensearch.org/maven2/" }
+        maven { url "https://ci.opensearch.org/m2/" }
         gradlePluginPortal()
         mavenCentral()
     }