feat: remove stale review requests (remove_stale_review_requests) - #182

{"file_owners":{"README.md":["@BakerNet","@zbedforrest"],"internal/app/app.go":["@BakerNet","@zbedforrest"],"internal/app/app_test.go":["@BakerNet","@zbedforrest"],"internal/config/config.go":["@BakerNet","@zbedforrest"],"internal/config/config_test.go":["@BakerNet","@zbedforrest"],"internal/github/gh.go":["@BakerNet","@zbedforrest"],"internal/github/gh_test.go":["@BakerNet","@zbedforrest"]},"file_optional":{},"unowned_files":[],"still_required":["@BakerNet","@zbedforrest"],"success":false,"message":"FAIL: Codeowners reviews not satisfied\nStill required:\n- @BakerNet or @zbedforrest"}