Bump actions/setup-python from 4 to 5

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 4 to 5.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v4...v5)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/doc-html-pdf.yml

@@ -19,7 +19,7 @@ jobs:
     - name: Checkout code
       uses: actions/checkout@v3
 
-    - uses: actions/setup-python@v4
+    - uses: actions/setup-python@v5
       name: Install Python
       with:
         python-version: '3.8'

.github/workflows/plot-k27-no-bitfield.yaml

@@ -27,7 +27,7 @@ jobs:
     - name: Checkout code
       uses: actions/checkout@v3
 
-    - uses: actions/setup-python@v4
+    - uses: actions/setup-python@v5
       name: Install Python
       with:
         python-version: '3.8'

.github/workflows/plot-k27.yaml

@@ -27,7 +27,7 @@ jobs:
     - name: Checkout code
       uses: actions/checkout@v3
 
-    - uses: actions/setup-python@v4
+    - uses: actions/setup-python@v5
       name: Install Python
       with:
         python-version: '3.8'