Change default port of backend to 7007 due to MacOS Control Center update

Signed-off-by: Otto Sichert <git@ottosichert.de>

.tugboat/config.yml

@@ -1,7 +1,7 @@
 services:
   backstage:
     image: tugboatqa/node:lts
-    expose: 7000
+    expose: 7007
     default: true
     commands:
       init:
@@ -14,4 +14,4 @@ services:
         - yarn workspace example-app build
       start:
         # wget the endpoint. Will retry every 2 seconds. 30 retries = 1m for service to come up. Plenty.
-        - wget -O /dev/null -o /dev/null --tries=30 --timeout=5 --retry-connrefused http://localhost:7000
+        - wget -O /dev/null -o /dev/null --tries=30 --timeout=5 --retry-connrefused http://localhost:7007