chore(deps): update dependency org.opensearch:opensearch-testcontainers to v4

| datasource | package                                  | from  | to    |
| ---------- | ---------------------------------------- | ----- | ----- |
| maven      | org.opensearch:opensearch-testcontainers | 2.1.4 | 4.1.0 |

Author: renovate[bot]

embedded-opensearch/pom.xml

@@ -15,7 +15,7 @@
 
     <properties>
         <spring-data-opensearch-starter.version>1.8.2</spring-data-opensearch-starter.version>
-        <opensearch-testcontainers.version>2.1.4</opensearch-testcontainers.version>
+        <opensearch-testcontainers.version>4.1.0</opensearch-testcontainers.version>
     </properties>
 
     <dependencies>