Bump actions/setup-python from 2.3.2 to 3

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 2.3.2 to 3.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v2.3.2...v3)

---
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>

.github/workflows/ci.yaml

@@ -19,7 +19,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2.4.0
       - name: Set up python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2.3.2
+        uses: actions/setup-python@v3
         with:
           python-version: ${{ matrix.python-version }}
           architecture: x64
@@ -40,7 +40,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2.4.0
       - name: Set up python 3.8
-        uses: actions/setup-python@v2.3.2
+        uses: actions/setup-python@v3
         with:
           python-version: 3.8
           architecture: x64
@@ -67,7 +67,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2.4.0
       - name: Set up python 3.8
-        uses: actions/setup-python@v2.3.2
+        uses: actions/setup-python@v3
         with:
           python-version: 3.8
           architecture: x64