chore(deps): bump actions/setup-python from 2 to 4 (#216)

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>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
     name: Check SDist
     steps:
     - uses: actions/checkout@v3
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4
       with:
         python-version: 3.x
     - uses: pre-commit/[email protected]
@@ -41,7 +41,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
 
@@ -72,7 +72,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4
       with:
         python-version: 3.8.8