deps: bump github.com/dromara/carbon/v2 from 2.6.11 to 2.6.12

[dependabot[bot]]

Bumps github.com/dromara/carbon/v2 from 2.6.11 to 2.6.12.

Release notes

Sourced from github.com/dromara/carbon/v2's releases.

v2.6.12

English

• Lower golang environment dependency from 1.21 to 1.18
• Upgrade testify testing framework from v1.10.0 to v1.11.1
• Set isEmpty flag in UnmarshalJSON method of type_carbon.go file to indicate empty values
• Use sync.Map to implement high-performance concurrent caching
• Fix potential race conditions and null pointer dereference issues, improving concurrency safety

中文

• 将 golang 环境依赖从 1.21 降低到 1.18
• 将 testify 测试框架从 v1.10.0 升级到 v1.11.1
• 在 type_carbon.go 文件 UnmarshalJSON 方法中设置 isEmpty 标志以表示空值
• 使用 sync.Map 实现高性能并发缓存
• 修复潜在的竞态条件和空指针解引用问题，提高并发安全性

Full Changelog: https://github.com/dromara/carbon/compare/v2.6.11...v2.6.12

Commits

• b69280a fix(constellation): Fix null pointer exceptions caused by invalid language
• 540632d docs: Update the performance test report
• 50b249e Merge branch 'v2.6.x'
• 6951abb docs: Add Carbon language contribution guidelines
• cbbe25f Merge branch 'v2.6.x'
• 8d26c58 docs: Update the link to the performance test report
• 863f1ca docs: Add Carbon performance test analysis report
• 6bd4310 docs: Update the document link address in README
• eb6d2ca ci: build(deps): bump actions/setup-go from 5 to 6
• aa2b7a3 build(tests): Upgrade github.com/stretchr/testify from v1.10.0 to v1.11.1
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

[dependabot[bot]]

A newer version of github.com/dromara/carbon/v2 exists, but since this PR has been edited by someone other than Dependabot I haven't updated it. You'll get a PR for the updated version as normal once this PR is merged.