fix(builder): Increase timeout from default (1) to 5 mins

When no. of parallel builds are high, push to registry tends to timeout.
This seems to be handled anyway in press by triggering subsequent Run
Remote Builder job which will be faster cuz of cache magic. Might save a
minute anyway

Author: balamurali27

agent/builder.py

@@ -138,7 +138,7 @@ def _publish_docker_build_output(self, result):
     @step("Push Docker Image")
     def _push_docker_image(self):
         environment = os.environ.copy()
-        client = docker.from_env(environment=environment)
+        client = docker.from_env(environment=environment, timeout=5 * 60)
         auth_config = {
             "username": self.registry["username"],
             "password": self.registry["password"],