chore: replace integrations.bitbucket with [..].bitbucketCloud in app-config.yaml

Replace `integrations.bitbucket` with `integrations.bitbucketCloud`
in `app-config.yaml` (local dev, demo).

Signed-off-by: Patrick Jungermann <Patrick.Jungermann@gmail.com>

app-config.yaml

@@ -182,9 +182,8 @@ integrations:
   gitlab:
     - host: gitlab.com
       token: ${GITLAB_TOKEN}
-  bitbucket:
-    - host: bitbucket.org
-      username: ${BITBUCKET_USERNAME}
+  bitbucketCloud:
+    - username: ${BITBUCKET_USERNAME}
       appPassword: ${BITBUCKET_APP_PASSWORD}
     ### Example for how to add your bitbucket server instance using the API:
     # - host: server.bitbucket.com