Update GitHub Actions workflows.

[pulumi-bot]

This PR was automatically generated by the update-workflows-ecosystem-providers workflow in the pulumi/ci-mgmt repo, from commit 9334037674fdb25e0313fab78cf346e62c0ba901.

[github-actions]

Does the PR have any schema changes?

Looking good! No breaking changes found.
No new resources/functions.

Maintainer note: consult the runbook for dealing with any breaking changes.

[github-actions]

Is README.md missing any configuration options?

clientCertificate not found in Configuration section
clientCertificatePassword not found in Configuration section
clientCertificatePath not found in Configuration section
clientId not found in Configuration section
clientIdApply not found in Configuration section
clientIdPlan not found in Configuration section
clientSecret not found in Configuration section
clientSecretPath not found in Configuration section
oidcAudience not found in Configuration section
oidcRequestToken not found in Configuration section
oidcRequestUrl not found in Configuration section
oidcTfcTag not found in Configuration section
oidcToken not found in Configuration section
oidcTokenFilePath not found in Configuration section
tenantId not found in Configuration section
tenantIdApply not found in Configuration section
tenantIdPlan not found in Configuration section
useMsi not found in Configuration section
useOidc not found in Configuration section

Please add a description for each of these options to README.md. Details about them can be found in either the upstream docs or schema.json.