linter: check AutoSyncInterval for etcd config (#44081)

[ti-chi-bot]

This is an automated cherry-pick of #44081

What problem does this PR solve?

Issue Number: close #42643

Problem Summary:

What is changed and how it works?

Check List

Tests

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

compilepkg: nogo: errors found by nogo during build-time code analysis:
util/etcd/etcd.go:81:27: missing field AutoSyncInterval (etcdconfig)

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

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[lance6716]

/retest

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: D3Hunter, lance6716

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-06-29 07:17:23.430679869 +0000 UTC m=+864808.831930313: ☑️ agreed by lance6716.
• 2023-06-29 08:24:26.323141938 +0000 UTC m=+868831.724392387: ☑️ agreed by D3Hunter.