release(5.0.0): release 5.0.0

[fisherspy]

PR Checklist

Please check if your PR fulfills the following requirements:

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

PR Type

What kind of change does this PR introduce?

[x] Bugfix
[x] Feature
[ ] Code style update (formatting, local variables)
[x] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[x] Documentation content changes
[x] 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?

[x] Yes
[ ] No

Angular 12 Support

Other information

[codecov[bot]]

Codecov Report

Merging #800 (5d91da7) into master (26201a9) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #800   +/-   ##
=======================================
  Coverage   86.86%   86.86%           
=======================================
  Files         164      164           
  Lines        6682     6682           
  Branches     1117     1117           
=======================================
  Hits         5804     5804           
  Misses        430      430           
  Partials      448      448           

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