Bump actions/setup-python from 2.2.2 to 4.6.0

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 2.2.2 to 4.6.0.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v2.2.2...v4.6.0)

---
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/spec_update.yml

@@ -10,7 +10,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2.3.4
       - name: Setup Python environment
-        uses: actions/setup-python@v2.2.2
+        uses: actions/setup-python@v4.6.0
         with:
           python-version: 3.7
       - name: Setup Node.JS environment