fix: update opensearch-connector version to 1.0.4

Author: mjabascal10

backend/pom.xml

@@ -283,7 +283,7 @@
         <dependency>
             <groupId>com.utmstack</groupId>
             <artifactId>opensearch-connector</artifactId>
-            <version>1.0.3</version>
+            <version>1.0.4</version>
         </dependency>
         <dependency>
             <groupId>jakarta.json</groupId>