go: update Go version to 1.25.5 (#9900)

[ti-chi-bot]

This is an automated cherry-pick of #9900

What problem does this PR solve?

Issue Number: Close #10034

What is changed and how does it work?

Check List

Tests

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

Code changes

• Has the configuration change
• Has HTTP API interfaces changed (Don't forget to add the declarative for the new API)
• Has persistent data change

Side effects

• Possible performance regression
• Increased code complexity
• Breaking backward compatibility

Related changes

• PR to update pingcap/docs/pingcap/docs-cn:
• PR to update pingcap/tiup:
• Need to cherry-pick to the release branch

Release note

None.

[ti-chi-bot]

@okJiang This PR has conflicts, I have hold it.
Please resolve them or ask others to resolve them, then comment /unhold to remove the hold label.

[ti-chi-bot]

@ti-chi-bot: ## If you want to know how to resolve it, please read the guide in TiDB Dev Guide.

Details

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[codecov]

Codecov Report

❌ Patch coverage is 86.00000% with 7 lines in your changes missing coverage. Please review.
✅ Project coverage is 77.87%. Comparing base (a91c005) to head (c4adb09).
⚠️ Report is 5 commits behind head on release-8.5.

Additional details and impacted files

@@               Coverage Diff               @@
##           release-8.5   #10053      +/-   ##
===============================================
+ Coverage        77.79%   77.87%   +0.08%     
===============================================
  Files              469      470       +1     
  Lines            63361    63426      +65     
===============================================
+ Hits             49294    49396     +102     
+ Misses           10435    10415      -20     
+ Partials          3632     3615      -17     

Flag	Coverage Δ
unittests	77.87% <86.00%> (+0.08%)	⬆️

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[wuhuizuo]

/retitle go: update Go version to 1.25.5 (#9900)

[ti-chi-bot]

@wuhuizuo: Re-titling can only be requested by trusted users, like repository collaborators.

Details

In response to this:

/retitle go: update Go version to 1.25.5 (#9900)

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[ti-chi-bot]

/retitle go: update Go version to 1.25.5 (#9900)

[okJiang]

/unhold

[okJiang]

contain following update:

• go: update Go version to 1.25.3 #9900
• chore(deps): upgrade golang.org/x dependencies #10048
• *: upgrade deadlock to v0.3.6 #10037
• upgrade dashboard
• upgrade golangci-lint to v2

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: lhy1024, rleungx

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Details

Needs approval from an approver in each of these files:

• OWNERS [lhy1024,rleungx]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2025-12-12 09:00:18.189418642 +0000 UTC m=+1204363.003196213: ☑️ agreed by lhy1024.
• 2025-12-12 09:01:56.066142921 +0000 UTC m=+1204460.879920493: ☑️ agreed by rleungx.