fix: disable jib auto-run on package phase for connections-service

Jib was bound to package phase, pushing to DockerHub on every
mvn package. CI uses docker/build-push-action with Dockerfile instead.
Set phase to none — run jib explicitly with mvn jib:build if needed.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: premtsd-code

connections-service/pom.xml

@@ -172,7 +172,7 @@
 				</configuration>
 				<executions>
 					<execution>
-						<phase>package</phase>
+						<phase>none</phase>
 						<goals>
 							<goal>build</goal>
 						</goals>