Merged revision(s) 21604 from branches/OpenMPT-1.30:

[Fix] build: CI: GitHub: macOS: Try to fix GitHub homebrew go breakage on macOS 12. See r21598 and r21599.
........


git-svn-id: https://source.openmpt.org/svn/openmpt/branches/OpenMPT-1.29@21605 56274372-70c3-4bfc-bfc3-4c3a0b034d27

.github/workflows/macOS-12-Makefile.yml

@@ -19,6 +19,8 @@ jobs:
       run: brew pin swiftlint
     - name: fixup GitHub Homebrew xcbeautify breakage
       run: brew pin xcbeautify
+    - name: fixup GitHub Homebrew go breakage
+      run: brew unlink [email protected]
     - name: fixup GitHub Homebrew node breakage
       run: brew unlink node@18 && brew unlink node && brew link --overwrite node
     - name: fixup GitHub Homebrew python breakage