update ci timeout

Author: imrannayer

build/int.cloudbuild.yaml

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-timeout: 4800s
+timeout: 5400s
 steps:
   - id: swap-module-refs
     name: 'gcr.io/cloud-foundation-cicd/$_DOCKER_IMAGE_DEVELOPER_TOOLS:$_DOCKER_TAG_VERSION_DEVELOPER_TOOLS'