Project Setup fails to complete due to Google Cloud Resource Manager Write Requests Quota

On project-setup it can happen that the Resource Manager Write operations Quota of 600 total requests per minute for the Gcloud project appears to have been reached.

Some ideas:

1. request a increase on the API on the Gcloud Org: not possible
2. request a increase on the API in the project (via gcloud cli on project-setup): possible, but needs approval from google which might take a while
3. implement support to run project-setup only for a component in catladder cli: #57 (closed)
4. reduce the amount of API calls in catladder (e.g. use projects set-iam-policy)
5. document it and live with it: tell devs to drink a coffee and try again later

Futher discussion: https://chat.google.com/room/AAAAJ9x3Lg0/5Sfmr1eIqlI/5Sfmr1eIqlI?cls=10