Added default HTTP protocol version auto

[parthverma1]

• Added protocol version option with default as auto
• Updated failing tests to remove usage of deprecated APIs

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 82.10%. Comparing base (aaaaf9c) to head (f8f0e98).

Files	Patch %	Lines
lib/run/index.js	0.00%	0 Missing and 1 partial :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #3263 +/- ## =========================================== - Coverage 82.17% 82.10% -0.08% =========================================== Files 21 21 Lines 1150 1151 +1 Branches 352 353 +1 =========================================== Hits 945 945 Misses 111 111 - Partials 94 95 +1 ``` | [Flag](https://app.codecov.io/gh/postmanlabs/newman/pull/3263/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=postmanlabs) | Coverage Δ | | |---|---|---| | [cli](https://app.codecov.io/gh/postmanlabs/newman/pull/3263/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=postmanlabs) | `70.98% <0.00%> (-0.07%)` | :arrow_down: | | [integration](https://app.codecov.io/gh/postmanlabs/newman/pull/3263/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=postmanlabs) | `35.44% <0.00%> (-0.64%)` | :arrow_down: | | [library](https://app.codecov.io/gh/postmanlabs/newman/pull/3263/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=postmanlabs) | `52.04% <0.00%> (-0.05%)` | :arrow_down: | | [unit](https://app.codecov.io/gh/postmanlabs/newman/pull/3263/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=postmanlabs) | `66.02% <0.00%> (-0.06%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=postmanlabs#carryforward-flags-in-the-pull-request-comment) to find out more.

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.