ci/config.sh: Pin versions for all extra_packages
This is one way to fix ghc#23141 (closed). It's perhaps not the cleanest way to fix it (see ghc#23141 (comment 488083)), but a working build is better than a broken one.
This is one way to fix ghc#23141 (closed). It's perhaps not the cleanest way to fix it (see ghc#23141 (comment 488083)), but a working build is better than a broken one.