Bump actions/setup-python from 5 to 6

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]>

Author: dependabot[bot]

.github/workflows/code-checks.yml

@@ -175,7 +175,7 @@ jobs:
 
       - name: Setup Python
         id: setup_python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.11'
           cache: 'pip'

.github/workflows/package-checks.yml

@@ -40,7 +40,7 @@ jobs:
 
       - name: Setup Python
         id: setup_python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.11'
 

.github/workflows/unit-tests.yml

@@ -343,7 +343,7 @@ jobs:
           fetch-depth: 0
 
       - name: Set up Python Dev Version
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.13-dev'
 
@@ -381,7 +381,7 @@ jobs:
 
       - name: Set up Python for pyodide-build
         id: setup-python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.12'
 

.github/workflows/wheels.yml

@@ -53,7 +53,7 @@ jobs:
           fetch-depth: 0
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.11'