chore(ci): Install tox-uv for consistency

Author: effigies

.github/workflows/tox.yml

@@ -168,9 +168,11 @@ jobs:
       - uses: actions/checkout@v4
       - name: Install the latest version of uv
         uses: astral-sh/setup-uv@v4
+      - name: Install tox
+        run: uv tool install tox --with=tox-uv
       - name: Show tox config
-        run: uvx tox c
+        run: tox c
       - name: Show tox config (this call)
-        run: uvx tox c -e ${{ matrix.check }}
+        run: tox c -e ${{ matrix.check }}
       - name: Run check
-        run: uvx tox -e ${{ matrix.check }}
+        run: tox -e ${{ matrix.check }}