Update GitHub Actions workflows. (#5139)

This PR was automatically generated by the
update-workflows-ecosystem-providers workflow in the pulumi/ci-mgmt
repo, from commit aa2a37295049753523907396e65e76a3213becad.

Author: pulumi-bot

Diff for: .github/workflows/prerequisites.yml

@@ -59,7 +59,7 @@ jobs:
       with:
         submodules: true
         persist-credentials: false
-    - uses: pulumi/provider-version-action@0391d47b9b0d865d33dd0a295b1fcf9f7021dd4c # v1.5.3
+    - uses: pulumi/provider-version-action@f96d032a2758fdda7939e5728eff6c0d980ae894 # v1.6.0
       id: provider-version
       with:
         set-env: 'PROVIDER_VERSION'