Merge pull request #307 from awslabs/hughcars/macos-pkg-config-buildfix

Force link of pkgconf to new version on mac OS runners

Author: hughcars

.github/workflows/build-and-test-macos.yml

@@ -51,6 +51,7 @@ jobs:
 
       - name: Install dependencies
         run: |
+          brew unlink [email protected]
           brew install pkg-config
 
       - uses: julia-actions/setup-julia@v2