Bump actions/setup-python from 3 to 4 (#569)

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 3 to 4.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v3...v4)

---
updated-dependencies:
- dependency-name: actions/setup-python
  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: Pete Gadomski <[email protected]>

Author: dependabot[bot]

.github/workflows/cicd.yaml

@@ -43,7 +43,7 @@ jobs:
 
       # Setup Python (faster than using Python container)
       - name: Setup Python
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
 

.github/workflows/deploy_mkdocs.yml

@@ -21,7 +21,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Set up Python 3.8
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v4
         with:
           python-version: 3.8
 

.github/workflows/publish.yml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Set up Python 3.x
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v4
         with:
           python-version: "3.x"