ci(macos): Force colored output

Author: yedayak

.github/workflows/ci.yaml

@@ -109,4 +109,4 @@ jobs:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
-      - run: env PYTESTFLAGS="--verbose -p no:cacheprovider" test/macos-script.sh
+      - run: env PYTESTFLAGS="--verbose -p no:cacheprovider --color=yes" test/macos-script.sh