chore: increased default number of total connections and connection p…

[sbansla]

Fixes

https://issues.corp.twilio.com/browse/DII-1175

When setMaxConnPerRoute(10) was set in HttpClientBuilder, it was not taking this value; instead, it was taking the default values set in PoolingHttpClientConnectionManager, which were 2 for defaultMaxPerRoute and 10 for maxTotal. Due to this setting, the client was experiencing excessive delays for each thread, subsequently leading to the failure of all requests.

To address the issue, the default number of total connections and connections per route were increased.

Checklist

• I acknowledge that all my contributions will be made under the project's license
• I have made a material change to the repo (functionality, testing, spelling, grammar)
• I have read the Contribution Guidelines and my PR follows them
• I have titled the PR appropriately
• I have updated my branch with the main branch
• I have added tests that prove my fix is effective or that my feature works
• I have added the necessary documentation about the functionality in the appropriate .md file
• I have added inline documentation to the code I modified

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[sonarqubecloud]

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[kridai]

LGTM!