Fix test on mac x86_64

Author: hasufell

.github/workflows/reusable-release.yml

@@ -692,6 +692,10 @@ jobs:
 
       - name: Run test
         run: |
+          # cabal-testsuite/PackageTests/Configure/cabal.test.hs needs it
+          # and it doesn't appear pre-installed here
+          brew install autoconf
+
           bash .github/scripts/test.bash
 
   test-mac-aarch64: