Bump actions/setup-python from 3.1.2 to 4.3.0

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 3.1.2 to 4.3.0.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v3.1.2...v4.3.0)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/ci.yml

@@ -35,7 +35,7 @@ jobs:
       with:
         submodules: true
     - name: Setup Python 3.8
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v4.3.0
       with:
         python-version: 3.8
     - name: Cache PyPI
@@ -157,7 +157,7 @@ jobs:
         submodules: true
     - name: Setup Python ${{ matrix.pyver }}
       id: python-install
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v4.3.0
       with:
         python-version: ${{ matrix.pyver }}
     - name: Get pip cache dir
@@ -259,7 +259,7 @@ jobs:
       with:
         submodules: true
     - name: Setup Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v4.3.0
     - name: Update pip, wheel, setuptools, build, twine
       run: |
         python -m pip install -U pip wheel setuptools build twine
@@ -319,7 +319,7 @@ jobs:
         fi
       shell: bash
     - name: Setup Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v4.3.0
       with:
         python-version: 3.x
     - name: Update pip, wheel, setuptools, build, twine

.github/workflows/post-dependabot.yml

@@ -24,7 +24,7 @@ jobs:
       run: |
         gh pr checkout ${{ github.event.pull_request.number }}
     - name: Setup Python
-      uses: actions/setup-python@v3.1.2
+      uses: actions/setup-python@v4.3.0
     - name: Cache PyPI
       uses: actions/[email protected]
       with: