Update GitHub Actions workflows. (#1109)

This PR was automatically generated by the
update-workflows-ecosystem-providers workflow in the pulumi/ci-mgmt
repo, from commit 36cb726549926a647ec654cce5548a346edd0b64.

Author: pulumi-bot

.github/actions/setup-tools/action.yml

@@ -72,7 +72,7 @@ runs:
 
     - name: Setup Python
       if: inputs.tools == 'all' || contains(inputs.tools, 'python')
-      uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38 # v5.4.0
+      uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55 # v5.5.0
       with:
         python-version: 3.11.8