Support HTTP Header for dapr invoke

[hunter007]

Describe the proposal

I want to pass customized headers to dapr app when run dapr invoke, but dapr invoke doesn't support now

Release Note

ADD Add --header/-H to dapr invoke

[dapr-bot]

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.