Flake in `error_handling_found` test

[github-actions]

The Rust CI failed on the main branch.

Failure in Google Cloud Build:

• Check Suite: https://api.github.com/repos/googleapis/google-cloud-rust/check-suites/73584441839
• Commit: 5e18aa3

[github-actions]

@googleapis/cloud-sdk-rust-team A critical issue has been created, please respond immediately.

[alvarowolfx]

sample for error handling failed. Timeout to update/delete a secret

test driver::error_handling_found ... FAILED
--
  |  
  | failures:
  |  
  | ---- driver::error_handling_found stdout ----
  | full error: the request exceeded the request deadline error sending request for url (https://secretmanager.googleapis.com//v1/projects/rust-sdk-testing/secrets?secretId=REDACTED&%24alt=json%3Benum-encoding%3Dint)
  |  
  | Caused by:
  | 0: error sending request for url (https://secretmanager.googleapis.com//v1/projects/rust-sdk-testing/secrets?secretId=REDACTED&%24alt=json%3Benum-encoding%3Dint)
  | 1: operation timed out
  | because: Error { kind: Timeout, source: Some(reqwest::Error { kind: Request, url: "https://secretmanager.googleapis.com//v1/projects/rust-sdk-testing/secrets?secretId=REDACTED&%24alt=json%3Benum-encoding%3Dint", source: TimedOut }) }
  | because: reqwest::Error { kind: Request, url: "https://secretmanager.googleapis.com//v1/projects/rust-sdk-testing/secrets?secretId=REDACTED&%24alt=json%3Benum-encoding%3Dint", source: TimedOut }
  | because: TimedOut
  | Error: the request exceeded the request deadline error sending request for url (https://secretmanager.googleapis.com//v1/projects/rust-sdk-testing/secrets?secretId=REDACTED&%24alt=json%3Benum-encoding%3Dint)
  |  
  | Caused by:
  | 0: error sending request for url (https://secretmanager.googleapis.com//v1/projects/rust-sdk-testing/secrets?secretId=REDACTED&%24alt=json%3Benum-encoding%3Dint)
  | 1: operation timed out
  |  
  |  

[alvarowolfx]

re-ran the CI step and it finished successfully.