feat(comp:tabs): add onBeforeLeave prop

[liuzaijiang]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines
• Tests for the changes have been added/updated or not needed
• Docs and demo have been added/updated or not needed

What is the current behavior?

What is the new behavior?

| onBeforeLeave | 切换标签之前的钩子函数，返回 false 或 promise resolve false 或 promise reject 会阻止切换 | (key: VKey, oldKey?: VKey) => boolean \| Promise<boolean>| - | - | - |

Other information

[idux-bot]

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[codecov]

Codecov Report

Merging #965 (af33592) into main (5db6616) will decrease coverage by 0.00%.
The diff coverage is 93.33%.

@@            Coverage Diff             @@
##             main     #965      +/-   ##
==========================================
- Coverage   92.88%   92.88%   -0.01%     
==========================================
  Files         700      700              
  Lines       68522    68559      +37     
  Branches     8023     8031       +8     
==========================================
+ Hits        63650    63684      +34     
- Misses       4872     4875       +3     

Impacted Files	Coverage Δ
packages/components/tabs/src/Tabs.tsx	78.57% <90.00%> (-0.05%)	⬇️
packages/components/tabs/__tests__/tabs.spec.ts	99.15% <93.93%> (-0.85%)	⬇️
packages/components/tabs/src/tokens.ts	100.00% <100.00%> (ø)
packages/components/tabs/src/types.ts	100.00% <100.00%> (ø)

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