ci: fix macos 13 brew installation

Author: Totto16

.github/workflows/build.yml

@@ -165,6 +165,16 @@ jobs:
           echo "CXX_LD=lld" >> "$GITHUB_ENV"
           echo "OBJC_LD=lld" >> "$GITHUB_ENV"
 
+      - name: Unbreak Python in GHA (MacOS 13 image)
+        if: matrix.config.os == 'macos' && matrix.config.os-version == 13
+        run: |
+          # TODO: remove this, after it works again
+          # A workaround for "The `brew link` step did not complete successfully" error.
+          # See e.g. https://github.com/Homebrew/homebrew-core/issues/165793#issuecomment-1991817938
+          find /usr/local/bin -lname '*/Library/Frameworks/Python.framework/*' -delete
+          sudo rm -rf /Library/Frameworks/Python.framework/
+          brew install --force python3 && brew unlink python3 && brew unlink python3 && brew link --overwrite python3
+
       - name: Setup meson (MacOS)
         if: matrix.config.os == 'macos'
         run: |