Update GitHub Actions workflows. (#400)

This PR was automatically generated by the
update-workflows-ecosystem-providers workflow in the pulumi/ci-mgmt
repo, from commit aa3a0b3490406ade91b3006cf231c45928df6376.

.github/workflows/upgrade-bridge.yml

@@ -67,7 +67,7 @@ jobs:
       if: github.event_name == 'repository_dispatch'
       uses: pulumi/[email protected]
       with:
-        kind: ${{ inputs.kind }}
+        kind: ${{ github.event.client_payload.kind || 'bridge' }}
         email: [email protected]
         username: pulumi-bot
         automerge: ${{ github.event.client_payload.automerge }}