Suspended User in a org team fails to create Issue in GHE

[vincentclee]

Example Config

steps:
  - uses: trstringer/manual-approval@v1
    with:
      approvers: org-team1

If there is a suspended user in your GitHub Enterprise org-team1, the action will fail with the following error message.

Error Message

Respond "approved", "approve", "lgtm", "yes" to continue workflow or "denied", "deny", "no" to cancel.
error creating issue: POST https://ghe.nsa.gov/api/v3/repos/noforn/turbulence/issues: 422 Validation Failed [{Resource:Issue Field:assignees Code:invalid Message:}]
##[debug]Docker Action run completed with exit code 1
##[debug]Finishing: Run trstringer/manual-approval@v1