[new feature] Tab: add ellipsis prop

[chenjiahan]

No description provided.

[codecov-io]

Codecov Report

Merging #2299 into dev will not change coverage.
The diff coverage is 50%.

@@          Coverage Diff          @@
##             dev   #2299   +/-   ##
=====================================
  Coverage   86.2%   86.2%           
=====================================
  Files        100     100           
  Lines       1783    1783           
  Branches     365     366    +1     
=====================================
  Hits        1537    1537           
  Misses       188     188           
  Partials      58      58

Impacted Files	Coverage Δ
packages/tabs/index.vue	68.11% <50%> (ø)	⬆️

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