ci: add yarn web stage

[wewoor]

Description

Adding a new yarn web stage in the build job.

Fixes #688

Changes

• Adding the yarn web stage to prevent the built files can't work correctly.

[codecov]

Codecov Report

Merging #770 (ea7a3f6) into main (16fcaba) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #770   +/-   ##
=======================================
  Coverage   91.65%   91.65%           
=======================================
  Files         191      191           
  Lines        5869     5869           
  Branches     1405     1405           
=======================================
  Hits         5379     5379           
  Misses        484      484           
  Partials        6        6           

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[mortalYoung]

+1