br: avoid retry if it's ec2metadata (#47651)

[ti-chi-bot]

This is an automated cherry-pick of #47651

What problem does this PR solve?

Issue Number: close #47650

Problem Summary:
the error connection reset by peer is not retryable when request to ec2metadata

What is changed and how it works?

set it as an unretryable error.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No need to test

  • I checked and no code files have been changed.

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: 3pointer, YuJuncen

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• OWNERS [3pointer,YuJuncen]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-10-19 09:10:05.100921783 +0000 UTC m=+1907402.688031940: ☑️ agreed by YuJuncen.
• 2023-10-19 09:17:49.978210495 +0000 UTC m=+1907867.565320624: ☑️ agreed by 3pointer.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (release-6.5@7305408). Click here to learn what that means.
The diff coverage is n/a.

Additional details and impacted files

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