Bump actions/setup-python from 5 to 6 (#887)

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 5 to 6.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v5...v6)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -36,7 +36,7 @@ jobs:
     steps:
       - uses: actions/[email protected]
       - name: Setup python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.PYTHON.VERSION }}
       - name: Install nox
@@ -80,7 +80,7 @@ jobs:
     steps:
       - uses: actions/[email protected]
       - name: Setup python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.PYTHON.VERSION }}
       - name: Install nox
@@ -109,7 +109,7 @@ jobs:
     steps:
       - uses: actions/[email protected]
       - name: Setup python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.PYTHON.VERSION }}
           architecture: ${{ matrix.WINDOWS.ARCH }}
@@ -148,7 +148,7 @@ jobs:
           jobs: ${{ toJSON(needs) }}
       - name: Setup python
         if: ${{ always() }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.13"
         timeout-minutes: 3

.github/workflows/wheel-builder.yml

@@ -144,7 +144,7 @@ jobs:
           ref: ${{ github.event.inputs.version || github.ref }}
           persist-credentials: false
       - name: Setup python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.PYTHON.VERSION }}
           architecture: ${{ matrix.WINDOWS.ARCH }}