Bump actions/setup-python in /.github/workflows in the actions group (#540)

Bumps the actions group in /.github/workflows with 1 update: [actions/setup-python](https://github.com/actions/setup-python).


Updates `actions/setup-python` from 6.2.0 to 6.3.0
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](https://github.com/actions/setup-python/compare/a309ff8b426b58ec0e2a45f0f869d46889d02405...ece7cb06caefa5fff74198d8649806c4678c61a1)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-version: 6.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
...

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

.github/workflows/run-integration-tests-private.yml

@@ -51,7 +51,7 @@ jobs:
            run: |
               az aks command invoke --resource-group ${{ env.NAMESPACE }} --name ${{ env.NAMESPACE }} --command "kubectl create ns ${{ env.NAMESPACE }}"
 
-         - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # 6.2.0
+         - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # 6.3.0
            name: Install Python
            with:
               python-version: '3.x'