Bump actions/setup-python from 2.3.0 to 2.3.1 (#2765)

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 2.3.0 to 2.3.1.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v2.3.0...v2.3.1)

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

Signed-off-by: dependabot[bot] <support@github.com>

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

.github/workflows/build-installer.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2.4.0
       - name: Set up Python 3.8
-        uses: actions/setup-python@v2.3.0
+        uses: actions/setup-python@v2.3.1
         with:
           python-version: 3.8
       - name: Install Python requirements