Update GitHub Actions workflows. (#820)

This PR was triggered by @t0yv0 generated by the
update-workflows-ecosystem-providers workflow in the pulumi/ci-mgmt
repo, from commit
[5aad94d008deea2e7db42fa2579fe93fb88256b8](5aad94d008).

Co-authored-by: Pulumi Bot <bot@pulumi.com>

.github/workflows/run-acceptance-tests.yml

@@ -512,7 +512,7 @@ jobs:
       name: Fetch secrets from ESC
       uses: pulumi/esc-action@9eb774255b1a4afb7855678ae8d4a77359da0d9b
     - name: Mark workflow as successful
-      uses: guibranco/github-status-action-v2@631f55ea0251f0fb284525ad86c30e9f7a8dd284 # v1.1.14
+      uses: guibranco/github-status-action-v2@3f704867b3ec00272a5f1b550c207789736bbee9 # v1.2.0
       with:
         authToken: ${{ secrets.GITHUB_TOKEN }}
         context: Sentinel