Bump actions/setup-python from 2 to 4 (#4)

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 2 to 4.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v2...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>

.github/workflows/test.yml

@@ -20,7 +20,7 @@ jobs:
         steps:
             - uses: actions/checkout@v4
 
-            - uses: actions/setup-python@v2
+            - uses: actions/setup-python@v4
               with:
                   python-version: "3.6"
                   architecture: "x64"
@@ -48,7 +48,7 @@ jobs:
         steps:
             - uses: actions/checkout@v4
 
-            - uses: actions/setup-python@v2
+            - uses: actions/setup-python@v4
               with:
                   python-version: "3.6"
                   architecture: "x64"