chore: bump actions/setup-python from 2 to 5

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 2 to 5.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v2...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/documentation.yml

@@ -31,7 +31,7 @@ jobs:
     steps:
       - name: Checkout kapitan recursively
         uses: actions/checkout@v4
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v5
       - run: pip install --upgrade pip && pip install -r requirements.docs.txt
       - run: mkdocs build
       - name: Deploy docs

.github/workflows/pex-build-upload.yml

@@ -17,7 +17,7 @@ jobs:
         with:
           submodules: recursive
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: 3.x
       - name: Set up Go

.github/workflows/python-pip-publish.yml

@@ -18,7 +18,7 @@ jobs:
         with:
           submodules: recursive
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: 3.x
       - name: Install dependencies

.github/workflows/test-build-publish.yml

@@ -39,7 +39,7 @@ jobs:
     if: success() || failure()  # Continue running if other jobs fail
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
       - uses: psf/black@main
 
   test: