Approvals in IssueOps

Heavily based on https://github.com/joshjohanning/approveops

See the following guide on this action: https://josh-ops.com/posts/github-approveops/

- name: ApproveOps - ApproveOps in IssueOps
  uses: pdehlke/approveops@v2
  id: check-approval
  with:
    app-id: 170284
    app-private-key: ${{ secrets.PRIVATE_KEY }}
    team-name: approver-team
    fail-if-approval-not-found: false

1. Create a GitHub team and add at least one member
2. You will need a Github App with the following permissions:
   • read-only on Organization / Members to list the members of the team
   • read & write on Repository / Issues to create the comment
3. Generate a PRIVATE_KEY for the GitHub app and store it as a repo or organizational secret
4. Capture the APP ID to use as an input for this action

See the following guide on creating a GitHub app: https://josh-ops.com/posts/github-apps/