build: Bump actions/setup-python from 1 to 5

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 1 to 5.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](https://github.com/actions/setup-python/compare/v1...v5)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/dco.yaml

@@ -8,7 +8,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python 3.x
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
       with:
         python-version: '3.x'
     - name: Check DCO

.github/workflows/gitlint.yaml

@@ -13,7 +13,7 @@ jobs:
         ref: ${{ github.event.pull_request.head.sha }}
         fetch-depth: 0
     - name: Set up Python 3.10
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v5
       with:
         python-version: "3.10"
     - name: Install dependencies