修复search.maven.org跳转问题

[Ivan97]

Describe what this PR does / why we need it

search.maven.org更新了搜索API

Does this pull request fix one issue?

Describe how you did it

使用新的搜索API

Describe how to verify it

点击maven-badge图标即可

Special notes for reviews

[codecov-io]

Codecov Report

Merging #57 into master will increase coverage by 0.07%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master      #57      +/-   ##
============================================
+ Coverage     45.95%   46.03%   +0.07%     
- Complexity      556      557       +1     
============================================
  Files           113      113              
  Lines          3804     3804              
  Branches        530      530              
============================================
+ Hits           1748     1751       +3     
+ Misses         1842     1840       -2     
+ Partials        214      213       -1

Impacted Files	Coverage Δ	Complexity Δ
...ntinel/slots/statistic/metric/WindowLeapArray.java	80% <0%> (+12%)	6% <0%> (+1%)	⬆️

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[sczyh30]

Hi, you may fix with https://search.maven.org/search?q=g:com.alibaba.csp%20AND%20a:sentinel-core instead of the classic one.

[Ivan97]

Of course,thanks.In fact, I started a project to deal with maven badges.Check it out if you are interested in it.
https://github.com/Ivan97/maven-badges-generator

[sczyh30]

That's great. In fact, search.maven.org can generate Maven Central Badge markdown in the detail page (our badge was generated from there), but there are something wrong in its generated URL.