fix Input type error

[Riokai]

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[Riokai]

在 TypeScript 环境下，maxLength 类型为 number，而源码中 propTypes 类型检查为 string，导致无论写 number 还是 string 都会有一方出错。

[afc163]

PropTypes.oneOfTypes 好了，兼容性也好点。

[codecov]

Codecov Report

Merging #9046 into master will not change coverage.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master    #9046   +/-   ##
=======================================
  Coverage   85.23%   85.23%           
=======================================
  Files         195      195           
  Lines        4672     4672           
  Branches     1377     1377           
=======================================
  Hits         3982     3982           
  Misses        690      690

Impacted Files	Coverage Δ
components/input/Input.tsx	96.55% <100%> (ø)	⬆️

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[Riokai]

@afc163 感谢提醒，是我疏忽了，这样改很容易引起现在项目出错，我修改后重新 commit