chore(deps): update actions/setup-python action to v6 (#8)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - uses: astral-sh/setup-uv@v3
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: "3.13"
       - run: uv sync --all-extras --dev

.github/workflows/release.yml

@@ -29,7 +29,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - uses: astral-sh/setup-uv@v3
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: "3.13"
       - run: uv build