Bump actions/setup-python from 5 to 6 (#513)

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>
Co-authored-by: Pierre Sassoulas <[email protected]>

Author: dependabot[bot]

.github/workflows/checks.yaml

@@ -16,7 +16,7 @@ jobs:
         with:
           fetch-depth: 2
       - name: Set up Python 3.13
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.13"
       - name: Install dependencies

.github/workflows/primer.yaml

@@ -21,7 +21,7 @@ jobs:
           path: program_to_test
           fetch-depth: 0
       - name: Set up Python 3.13
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.13"
       - name: Install dependencies

.github/workflows/publish.yaml

@@ -16,7 +16,7 @@ jobs:
       - name: Check out code from GitHub
         uses: actions/[email protected]
       - name: Set up Python 3.x
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.x"
       - name: Install dependencies

.github/workflows/tests.yaml

@@ -19,7 +19,7 @@ jobs:
         uses: actions/[email protected]
       - name: Set up Python ${{ matrix.python-version }}
         id: python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
@@ -49,7 +49,7 @@ jobs:
         # https://github.com/actions/virtual-environments/issues/712
       - name: Set up Python ${{ matrix.python-version }}
         id: python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
@@ -72,7 +72,7 @@ jobs:
         uses: actions/[email protected]
       - name: Set up Python 3.11
         id: python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.11"
       - name: Install dependencies