feat(module:tabs): support link router

[wzhudev]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/CONTRIBUTING.md#commit
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

[ ] Bugfix
[x] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] Application (the showcase website) / infrastructure changes
[ ] Other... Please describe:

What is the current behavior?

Issue Number: N/A

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[ ] No

Other information

[wzhudev]

Working on tests... 🤗

[codecov]

Codecov Report

Merging #3718 into master will decrease coverage by <.01%.
The diff coverage is 93.18%.

@@            Coverage Diff            @@
##           master   #3718      +/-   ##
=========================================
- Coverage    95.4%   95.4%   -0.01%     
=========================================
  Files         711     712       +1     
  Lines       14593   14632      +39     
  Branches     1924    1929       +5     
=========================================
+ Hits        13923   13959      +36     
- Misses        243     244       +1     
- Partials      427     429       +2

Impacted Files	Coverage Δ
components/tabs/nz-tabs.module.ts	100% <100%> (ø)	⬆️
components/tabs/nz-tab.component.ts	96.55% <100%> (+0.55%)	⬆️
components/tabs/public-api.ts	100% <100%> (ø)	⬆️
components/tabs/nz-tab-link.directive.ts	100% <100%> (ø)
components/tabs/nz-tabset.component.ts	93.19% <90.32%> (-0.97%)	⬇️

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[lppedd]

@wendzhue Thank you for this one!
I'm using un ugly workaround now, finally I can remove it.

[vthinkxie]

tryActivateLink should be removed, routerChange should base on a link href

[vthinkxie]

LGTM