ci: drop brew-audit job, install uv via curl to avoid gitea/setup-uv API quirk

.github/workflows/tests.yml

@@ -13,21 +13,9 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v4
+        run: |
-        with:
+          curl -LsSf https://astral.sh/uv/install.sh | sh
-          version: "latest"
+          echo "$HOME/.local/bin" >> "$GITHUB_PATH"
 
       - name: Run tests
         run: uv run pytest tests/ -v --tb=short
-
-  brew-audit:
-    runs-on: macos-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Audit formulae
-        run: |
-          for f in Formula/font-*.rb; do
-            brew audit --formula "$f" --no-online 2>/dev/null || true
-          done
-        continue-on-error: true