Explicitly require json on top of entry file

[brunoocasali]

Pull Request

What does this PR do?

In the context of a pure ruby script with no other gem required, this gem will fail in the most straightforward requests like the .version one.

/vendor/bundle/ruby/3.0.0/gems/meilisearch-0.28.2/lib/meilisearch/http_request.rb:120:in `http_config': undefined method `to_json' for nil:NilClass (NoMethodError)
        from /vendor/bundle/ruby/3.0.0/gems/meilisearch-0.28.2/lib/meilisearch/http_request.rb:106:in `send_request'
        from /vendor/bundle/ruby/3.0.0/gems/meilisearch-0.28.2/lib/meilisearch/http_request.rb:26:in `http_get'
        from /vendor/bundle/ruby/3.0.0/gems/meilisearch-0.28.2/lib/meilisearch/client.rb:118:in `version'
        from /app/meilisearch/feed_meilisearch.rb:3:in `feed_meilisearch_with'
        from <internal:prelude>:5:in `irb'
        from /app/meilisearch/feed_meilisearch.rb:7:in `feed_meilisearch_with'
        from /app/meilisearch/feed_meilisearch.rb:49:in `load_data_into_meilisearch'
        from meilisearch/app.rb:26:in `<main>'

PR checklist

Please check if your PR fulfills the following requirements:

• Does this PR fix an existing issue, or have you listed the changes applied in the PR description (and why they are needed)?
• Have you read the contributing guidelines?
• Have you made sure that the title is accurate and descriptive of the changes?

Thank you so much for contributing to Meilisearch!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (11fbadf) to head (6b4fa39).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #564   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           10        10           
  Lines          684       685    +1     
=========================================
+ Hits           684       685    +1     

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[brunoocasali]

Thanks @CaroFG for the report :)

[brunoocasali]

bors merge

[meili-bors]

Build succeeded:

• integration-tests (ruby 3.1)
• integration-tests (ruby 3.2)
• integration-tests (ruby 3.3)
• linter-check