Change no_output_timeout to 20m in circleci config

- Fix frontend test case failure due to `context deadline exceeded`

.circleci/config.yml

@@ -133,7 +133,7 @@ jobs:
               --output text)
       - run:
           name: Make Database Backup
-          no_output_timeout: 15m
+          no_output_timeout: 20m
           command: |
             aws rds wait db-instance-available \
                 --db-instance-identifier ${RDS_ID}
@@ -211,7 +211,7 @@ jobs:
               /tmp/tasking-manager.cfn.json > "$tmpfile" && mv "$tmpfile" $CIRCLE_WORKING_DIRECTORY/cfn-config-<< parameters.stack_name >>.json
       - run:
           name: Deploy to << parameters.stack_name >>
-          no_output_timeout: 15m
+          no_output_timeout: 20m
           command: |
             export NODE_PATH=/usr/local/share/.config/yarn/global/node_modules/
             validate-template $CIRCLE_WORKING_DIRECTORY/scripts/aws/cloudformation/tasking-manager.template.js