Update precommit.yml

Author: jagapiou

.github/workflows/precommit.yml

@@ -57,12 +57,10 @@ jobs:
         if: startsWith( matrix.cfg.os, 'macos-' )
         run: |
           brew --version
+          brew unlink python3
           brew install python@${{ matrix.python-version }}
-          echo A
-          python3 --version
-          python3.10 --version
           brew link --overwrite python@${{ matrix.python-version }}
-          echo B
+          echo X
           python3 --version
           python3.10 --version
           brew install python-packaging