re-enable CI on macos

Author: mohawk2

.github/workflows/ci.yml

@@ -21,9 +21,8 @@ jobs:
             coverage: true
           #- perl-version: '5.30'
           #  os: windows-latest
-          # on macos, getting failure to load the lib "/usr/lib:/other/file.bundle" which means something went wrong
-          #- perl-version: '5.30'
-          #  os: macos-latest
+          - perl-version: '5.30'
+            os: macos-latest
     steps:
       - uses: actions/checkout@v2
       - name: 'ci-dist: target-setup-perl'