Bump actions/setup-python from 3 to 4

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] <support@github.com>

Author: dependabot[bot]

.github/workflows/ci-tests.yml

@@ -42,7 +42,7 @@ jobs:
           singularity-version: ${{ env.singularity_version }}
 
       - name: Set up Python
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ env.py-semver }}
 
@@ -92,7 +92,7 @@ jobs:
           fetch-depth: 0
 
       - name: Set up Python
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ env.py-semver }}
 
@@ -128,7 +128,7 @@ jobs:
           singularity-version: ${{ env.singularity_version }}
 
       - name: Set up Python
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v4
         with:
           python-version: "3.10"  # quoted, otherwise that turns into the number 3.1
 

.github/workflows/tag_to_publish.yml

@@ -26,7 +26,7 @@ jobs:
           singularity-version: ${{ env.singularity_version }}
 
       - name: Set up Python
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v4
         with:
           python-version: "3.10"  # quoted, otherwise that turns into the number 3.1