fix: 🆙 upgrade rc-steps@3.6.0

[afc163]

🤔 This is a ...

• New feature
• Bug fix
• Site / document update
• Component style update
• TypeScript definition update
• Refactoring
• Code style optimization
• Test Case
• Branch merge
• Other (about what?)

🔗 Related issue link

💡 Background and solution

close #23960

📝 Changelog

Language	Changelog
🇺🇸 English	Fix Steps subTitle showing [object Object] title.
🇨🇳 Chinese	修复 Steps subTitle 上会显示 [object Object] 提示的问题。

☑️ Self Check before Merge

⚠️ Please check all items below before review. ⚠️

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
• TypeScript definition is updated/provided or not needed
• Changelog is provided or not needed

[ant-design-bot]

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[codecov]

Codecov Report

Merging #23989 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #23989   +/-   ##
=======================================
  Coverage   98.77%   98.77%           
=======================================
  Files         364      364           
  Lines        7270     7270           
  Branches     2024     2024           
=======================================
  Hits         7181     7181           
  Misses         89       89           

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