chore: use correct synatx for rack-timeout for ruby 3

[ghassanmas]

In order to resolve the following error:

tutor_nightly_local-forum-1                      | config.ru:18:in `block in <main>': undefined method `timeout=' for Rack::Timeout:Class (NoMethodError)
tutor_nightly_local-forum-1                      | 	from /app/cs_comments_service/vendor/bundle/ruby/3.0.0/gems/rack-1.6.13/lib/rack/builder.rb:55:in `instance_eval'
tutor_nightly_local-forum-1                      | 	from /app/cs_comments_service/vendor/bundle/ruby/3.0.0/gems/rack-1.6.13/lib/rack/builder.rb:55:in `initialize'

~~I have to change config.ru file following the documenation at https://github.com/zombocom/rack-timeout#sinatra-and-other-rack-apps~~ I couldn't change using the doc, I got an error execption, so I only way I was able to change it is to use ENV varaible.

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[mtyaka]

@ghassanmas Thanks for catching and fixing this issue! @xitij2000 recently finalised his ruby3 PR -- can you rebase and address my comment above?

[ghassanmas]

@mtyaka the rebase is done, though I couldn't see your comments.

[mtyaka]

Sorry about that @ghassanmas, I forgot to publish the comment, but I published it now. Thanks for rebasing!

[ghassanmas]

@mtyaka I resolved your comment and pushed, but I am still testing it... I had to push it so bceause the test enviroment can pick up that commit given its not same as my local... Anyway I will repot soon, the test will also be based with rebased i.e. the latest of @xitij2000 commits

[ghassanmas]

Tested all good!.

[codecov[bot]]

Codecov Report

Base: 96.08% // Head: 96.06% // Decreases project coverage by -0.02% :warning:

Coverage data is based on head (62eb703) compared to base (712a8bd). Patch has no changes to coverable lines.

:exclamation: Current head 62eb703 differs from pull request most recent head eeb461e. Consider uploading reports for the commit eeb461e to get more accurate results

Additional details and impacted files

@@                Coverage Diff                @@
##           kshitij/ruby3     #395      +/-   ##
=================================================
- Coverage          96.08%   96.06%   -0.03%     
=================================================
  Files                 58       58              
  Lines               4522     4469      -53     
=================================================
- Hits                4345     4293      -52     
+ Misses               177      176       -1     

Impacted Files	Coverage Δ
api/notifications_and_subscriptions.rb	87.50% <0.00%> (-1.39%)	:arrow_down:
spec/support/matchers.rb	77.77% <0.00%> (-1.17%)	:arrow_down:
app.rb	88.78% <0.00%> (-0.51%)	:arrow_down:
models/concerns/searchable.rb	84.84% <0.00%> (-0.45%)	:arrow_down:
api/comment_threads.rb	88.52% <0.00%> (-0.37%)	:arrow_down:
models/subscription.rb	94.11% <0.00%> (-0.33%)	:arrow_down:
models/comment.rb	87.60% <0.00%> (-0.30%)	:arrow_down:
lib/task_helpers.rb	80.14% <0.00%> (-0.29%)	:arrow_down:
api/comments.rb	92.42% <0.00%> (-0.23%)	:arrow_down:
presenters/thread_utils.rb	97.22% <0.00%> (-0.22%)	:arrow_down:
... and 13 more

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[xitij2000]

Tested all good!.

I've incorporated this commit into my ruby 3 upgrade PR since without that the forum service is broken on unicorn.

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