Bump actions/setup-python from 2 to 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]>

Author: dependabot[bot]

.github/workflows/check.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v4
       - uses: pre-commit/[email protected]
 
   test:
@@ -36,7 +36,7 @@ jobs:
 
     steps:
       - name: Setup python for tox
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: "3.10"
       - name: Install tox
@@ -45,7 +45,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Setup python for test ${{ matrix.py }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.py }}
       - name: Pick environment to run
@@ -86,7 +86,7 @@ jobs:
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v4
         with:
           python-version: "3.10"
       - name: Install tox
@@ -131,7 +131,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Setup Python "3.10"
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: "3.10"
       - name: Install tox
@@ -147,7 +147,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Setup python to build package
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: "3.10"
       - name: Install build