Ulrich Spörlein 40903394bf GitHub actions: unbreak macOS build ...

Error: llvm 11.0.0 is already installed

Also make the linking failure non-fatal:

Error: The `brew link` step did not complete successfully

2021-01-08 15:36:38 +01:00

..

cross-bootstrap-tools.yml

GitHub actions: unbreak macOS build

2021-01-08 15:36:38 +01:00