Fix Yard Github action

[TonyCTHsu]

What does this PR do?

The PR fixes the Github action for generating yard doc and uploaded to Github Pages.

It was broken due to: #3710, which I was trying to reduce the size of gemfile by removing redcarpet

To address this: I removed yard gem entirely from our Gemfile and migrate to a minimized Gemfile (yard.gemfile) under tools and updated the Github action with this dependency.

[pr-commenter]

Benchmarks

Benchmark execution time: 2024-09-17 14:27:19

Comparing candidate commit c20934b in PR branch tonycthsu/fix-yard with baseline commit 8f9f58c in branch master.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 23 metrics, 2 unstable metrics.

[bouwkast]

Nice! I'm not a ruby guild member so my review ain't worth much but this looks good to me thanks for fixing it @TonyCTHsu!

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.86%. Comparing base (8f9f58c) to head (c20934b).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3918   +/-   ##
=======================================
  Coverage   97.85%   97.86%           
=======================================
  Files        1285     1285           
  Lines       76951    76951           
  Branches     3789     3789           
=======================================
+ Hits        75302    75308    +6     
+ Misses       1649     1643    -6     

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