feat: onPanelChange also trigger when panel switch

[zombieJ]

ref ant-design/ant-design#21287

Should release 1.0.0 after merge

[vercel]

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[codecov]

Codecov Report

Merging #26 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff            @@
##           master     #26      +/-   ##
=========================================
+ Coverage   99.19%   99.2%   +<.01%     
=========================================
  Files          39      39              
  Lines        1737    1750      +13     
  Branches      527     530       +3     
=========================================
+ Hits         1723    1736      +13     
  Misses          9       9              
  Partials        5       5

Impacted Files	Coverage Δ
src/PickerPanel.tsx	100% <100%> (ø)	⬆️
src/panels/DecadePanel/index.tsx	100% <100%> (ø)	⬆️
src/panels/MonthPanel/index.tsx	100% <100%> (ø)	⬆️
src/panels/DatePanel/index.tsx	100% <100%> (ø)	⬆️
src/panels/YearPanel/index.tsx	100% <100%> (ø)	⬆️

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