Workload Identity for GCP Secret Manager and Object store Dapr component

[rahulpoddar-fyndna]

As of now Dapr provides support for following components using Service Account

1. GCP Secret Manager
2. GCP Store
   Service Account with JSON keys posses security risk if not managed properly.
   Hence we propose to use Workload Identity as it is supported in case of AWS and Azure

[alicejgibbons]

GCP Secret manager feature request is a duplicate of #945

[github-actions]

This issue has been automatically marked as stale because it has not had activity in the last 30 days. It will be closed in the next 7 days unless it is tagged (pinned, good first issue, help wanted or triaged/resolved) or other activity occurs. Thank you for your contributions.

[alicejgibbons]

not stale