* feat: bru.sendRequest api
* updated the postman-translations logic to handle `pm.sendRequest` to `bru.sendRequest` translations, and added unit tests
* ~ removed `maxRedirects` and `proxy` values for sendRequest axios-instance
~ fixed the imports for the `send-request-transformer` function
~ `sendRequest` and `runRequest` will return same response object in both safe and developer mode
~ sendRequest function optimization
* revert sendRequest to async function, added a testcase for sendRequest with url string
* sendRequest callback errors handling
* updated tests and added await for the callbacks
---------
Co-authored-by: lohit <lohit@usebruno.com>
