fix: log TorngitClientError details for PR comment and commit status failures

[drazisil-codecov]

Summary

Adds error_code and error_message to log.error() calls when TorngitClientError is caught during:

• PR comment creation/update (bundle analysis + test results)
• Commit status setting (bundle analysis)

Problem

When these operations fail, we log an error but don't include the actual error details. This makes it impossible to diagnose whether failures are due to:

• Rate limiting (403/429)
• Character limits (422 - "body is too long")
• Permission issues (403 - "resource not accessible by integration")
• Other API errors

Solution

Capture the exception and log its details:

except TorngitClientError as e:
    log.error(
        "Error creating/updating PR comment",
        extra={
            ...,
            "error_code": getattr(e, "code", None),
            "error_message": str(e),
        },
    )

Impact

• Better visibility into WORKER-KQ9 (~14K events/week)
• Better visibility into WORKER-P13 (~138K events/week)

After this is deployed, we can check Sentry logs to determine what's actually causing failures for specific customers (e.g., SquareUp).

---

Note

Improves diagnostics for provider failures by enriching error logs with exception details.

• In helpers/notifier.py and bundle analysis comment.py, catch TorngitClientError as e when creating/updating PR comments and log error_code and error_message in log.error extras
• In bundle analysis commit_status.py, add the same error details when setting commit status fails

No behavior change beyond expanded logging metadata.

^{Written by Cursor Bugbot for commit d840423. This will update automatically on new commits. Configure here.}

[sentry]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.78%. Comparing base (6915276) to head (d840423).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #643   +/-   ##
=======================================
  Coverage   93.78%   93.78%           
=======================================
  Files        1291     1291           
  Lines       46907    46907           
  Branches     1517     1517           
=======================================
  Hits        43991    43991           
  Misses       2607     2607           
  Partials      309      309           

Flag	Coverage Δ
workerintegration	59.14% <0.00%> (ø)
workerunit	91.26% <100.00%> (ø)

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[codecov-notifications]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ All tests successful. No failed tests found.

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