CI failures: CircleCI XCode version is no longer supported #163
Description
The CircleCI builds currently fail with this error message:
Build-agent version 1.0.68812-04a5d5d1 (2021-06-04T16:18:45+0000) Creating a dedicated VM with xcode:9.0 image failed to create host: Image xcode:9.0 is not supported failed to create host: Image xcode:9.0 is not supported