chore(deps): bump actions/setup-python from 2 to 3 (#3895)

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 2 to 3.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](https://github.com/actions/setup-python/compare/v2...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>

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

.github/workflows/pip.yml

@@ -27,7 +27,7 @@ jobs:
     - uses: actions/checkout@v2
 
     - name: Setup 🐍 3.6
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v3
       with:
         python-version: 3.6
 
@@ -49,7 +49,7 @@ jobs:
     - uses: actions/checkout@v2
 
     - name: Setup 🐍 3.8
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v3
       with:
         python-version: 3.8
 
@@ -90,7 +90,7 @@ jobs:
     needs: [packaging]
 
     steps:
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v3
 
     # Downloads all to directories matching the artifact names
     - uses: actions/download-artifact@v2