build(deps): bump actions/setup-python from 1 to 3

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 1 to 3.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v1...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/deploy-docs.yml

@@ -12,7 +12,7 @@ jobs:
     - run: echo "$HOME/.poetry/bin" >> $GITHUB_PATH
 
     - name: Set up Python
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v3
       with:
         python-version: '3.8'