ci(deps): bump actions/setup-python from 4 to 6

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 4 to 6.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v4...v6)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/samcli-direct.yaml

@@ -56,7 +56,7 @@ jobs:
 
       # from aws/aws-sam-cli/setup.py: python_requires=">=3.9, <=4.0, !=4.0
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v6
         with:
           python-version: '3.11'
 

.github/workflows/samcli-vm.yaml

@@ -57,7 +57,7 @@ jobs:
         run: su ec2-user -c 'echo "A" | /usr/sbin/softwareupdate --install-rosetta --agree-to-license || true'
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ env.PYTHON_VERSION }}