chore: bump golangci-lint version

[cjc7373]

• bump golangci-lint to v2
• remove staticcheck, since it is included in golangci-lint

[apecloud-bot]

Auto Cherry-pick Instructions

Usage:
  - /nopick: Not auto cherry-pick when PR merged.
  - /pick: release-x.x [release-x.x]: Auto cherry-pick to the specified branch when PR merged.

Example:
  - /nopick
  - /pick release-1.1

[codecov]

Codecov Report

❌ Patch coverage is 50.00000% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 51.61%. Comparing base (804edc4) to head (d45101e).
⚠️ Report is 5 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/controller/instance/reconciler_update.go	0.00%	3 Missing ⚠️
pkg/operations/backup.go	0.00%	3 Missing ⚠️
controllers/trace/reconciler_tree.go	66.66%	1 Missing ⚠️
pkg/kbagent/util/event.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #10033      +/-   ##
==========================================
+ Coverage   51.37%   51.61%   +0.24%     
==========================================
  Files         541      544       +3     
  Lines       58774    59433     +659     
==========================================
+ Hits        30194    30679     +485     
- Misses      25627    25761     +134     
- Partials     2953     2993      +40     

Flag	Coverage Δ
unittests	51.61% <50.00%> (+0.24%)	⬆️

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[apecloud-bot]

/cherry-pick release-1.1

[apecloud-bot]

🤖 says: cherry pick action finished successfully 🎉!
See: https://github.com/apecloud/kubeblocks/actions/runs/21472491632