Switching HTTP adapter

[superchilled]

This PR:

• Changes the HTTP adapter from Net::HTTP to Net::HTTP::Persistent
• Fixes an issue with a dependency (ruby-jwt)

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (16e948f) 98.06% compared to head (5da98e5) 98.06%.

:exclamation: Current head 5da98e5 differs from pull request most recent head 052f1fa. Consider uploading reports for the commit 052f1fa to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #304 +/- ## ======================================= Coverage 98.06% 98.06% ======================================= Files 119 119 Lines 2170 2170 ======================================= Hits 2128 2128 Misses 42 42 ```

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