deps: Bump tikv client 6125c3b (#5439)

[ti-chi-bot]

This is an automated cherry-pick of #5439

What problem does this PR solve?

Issue Number: close #5440

What is changed and how it works?

Bump tikv/client-go to 6125c3b to support resolving txn file locks.

Ref: tikv/client-go#2003

Check List

Tests

• Integration tests with nextgen cluster

TiCDC logs:

[2026/06/18 05:01:27.112 +00:00] [INFO] [lock_resolver.go:1530] ["txn lock cleanup resolve-region rpc finished"] [action=commit] [txnStartTS=467077400967512072] [commitTS=467077401675301177] [regionID=9265] [keyCount=8]
[2026/06/18 05:01:27.114 +00:00] [DEBUG] [lock_resolver.go:95] ["resolve lock finishes"] [regionID=9265] [lockCount=8] [sampleLocks="[{\"Key\":\"dIAAAAAAAACCX2mAAAAAAAAAAgOAAAAAAAAAAQOAAAAAAAAAAwOAAAAAAAAAAQOAAAAAAAAADgOAAAAAAAAAAQOAAAAAAAAAAwOAAAAAAAAADg==\",\"Primary\":\"dIAAAAAAAACCX2mAAAAAAAAAAgOAAAAAAAAAAQOAAAAAAAAAAwOAAAAAAAAAAQOAAAAAAAAADgOAAAAAAAAAAQOAAAAAAAAAAwOAAAAAAAAADg==\",\"TxnID\":467077400967512072,\"TTL\":3999,\"TxnSize\":8,\"LockType\":0,\"UseAsyncCommit\":false,\"LockForUpdateTS\":0,\"MinCommitTS\":0,\"IsTxnFile\":true},{\"Key\":\"dIAAAAAAAACCX2mAAAAAAAAAAgOAAAAAAAAAAQOAAAAAAAAAAwOAAAAAAAAAAgOAAAAAAAAADQOAAAAAAAAAAQOAAAAAAAAAAwOAAAAAAAAADQ==\",\"Primary\":\"dIAAAAAAAACCX2mAAAAAAAAAAgOAAAAAAAAAAQOAAAAAAAAAAwOAAAAAAAAAAQOAAAAAAAAADgOAAAAAAAAAAQOAAAAAAAAAAwOAAAAAAAAADg==\",\"TxnID\":467077400967512072,\"TTL\":3999,\"TxnSize\":8,\"LockType\":0,\"UseAsyncCommit\":false,\"LockForUpdateTS\":0,\"MinCommitTS\":0,\"IsTxnFile\":true},{\"Key\":\"dIAAAAAAAACCX2mAAAAAAAAAAgOAAAAAAAAAAQOAAAAAAAAAAwOAAAAAAAAAAwOAAAAAAAAABwOAAAAAAAAAAQOAAAAAAAAAAwOAAAAAAAAABw==\",\"Primary\":\"dIAAAAAAAACCX2mAAAAAAAAAAgOAAAAAAAAAAQOAAAAAAAAAAwOAAAAAAAAAAQOAAAAAAAAADgOAAAAAAAAAAQOAAAAAAAAAAwOAAAAAAAAADg==\",\"TxnID\":467077400967512072,\"TTL\":3999,\"TxnSize\":8,\"LockType\":0,\"UseAsyncCommit\":false,\"LockForUpdateTS\":0,\"MinCommitTS\":0,\"IsTxnFile\":true},{\"Key\":\"dIAAAAAAAACCX2mAAAAAAAAAAgOAAAAAAAAAAQOAAAAAAAAAAwOAAAAAAAAABAOAAAAAAAAABAOAAAAAAAAAAQOAAAAAAAAAAwOAAAAAAAAABA==\",\"Primary\":\"dIAAAAAAAACCX2mAAAAAAAAAAgOAAAAAAAAAAQOAAAAAAAAAAwOAAAAAAAAAAQOAAAAAAAAADgOAAAAAAAAAAQOAAAAAAAAAAwOAAAAAAAAADg==\",\"TxnID\":467077400967512072,\"TTL\":3999,\"TxnSize\":8,\"LockType\":0,\"UseAsyncCommit\":false,\"LockForUpdateTS\":0,\"MinCommitTS\":0,\"IsTxnFile\":true},{\"Key\":\"dIAAAAAAAACCX2mAAAAAAAAAAgOAAAAAAAAAAQOAAAAAAAAAAwOAAAAAAAAABQOAAAAAAAAAGgOAAAAAAAAAAQOAAAAAAAAAAwOAAAAAAAAAGg==\",\"Primary\":\"dIAAAAAAAACCX2mAAAAAAAAAAgOAAAAAAAAAAQOAAAAAAAAAAwOAAAAAAAAAAQOAAAAAAAAADgOAAAAAAAAAAQOAAAAAAAAAAwOAAAAAAAAADg==\",\"TxnID\":467077400967512072,\"TTL\":3999,\"TxnSize\":8,\"LockType\":0,\"UseAsyncCommit\":false,\"LockForUpdateTS\":0,\"MinCommitTS\":0,\"IsTxnFile\":true}]"] [maxVersion=467077401124798464] [duration=7.47611ms] []

Questions

Will it cause performance regression or break compatibility?

No.

Do you need to update user documentation, design documentation or monitoring documentation?

No.

Release note

Bump tikv/client-go to 6125c3b to support resolving txn file locks.

Summary by CodeRabbit

• Chores
  • Updated dependency version for improved stability and compatibility.

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Code Review

This pull request updates the github.com/tikv/client-go/v2 dependency to a newer commit version in go.mod and go.sum. I have no feedback to provide.

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This pull-request has been approved by: tenfyzhong, wk989898

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