Bump actions/setup-python from 2 to 4 (#1212)

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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/dist.yaml

@@ -8,7 +8,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Setup Python
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: 3.8
     - name: Build dist

.github/workflows/docs.yaml

@@ -7,7 +7,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Setup Python
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: 3.8
     - name: Install dependencies

.github/workflows/pre-commit.yaml

@@ -8,7 +8,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Setup Python 3.7
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: 3.7
     - name: Install pre-commit

.github/workflows/test.yml

@@ -46,7 +46,7 @@ jobs:
         fetch-depth: 2
     - name: Setup Python ${{ matrix.python-version }}
       if: matrix.os != 'windows-latest'  # windows-latest only uses preinstalled Python (3.7.9)
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install test dependencies