Pulkitbhatia/fix cancelled ctx error return

[pulkit4tech]

• [X] Description and context for reviewers
  • Return correct error code for ctx Cancelled error in http outbound
• [X] Entry in CHANGELOG.md

[CLAassistant]

All committers have signed the CLA.

[codecov[bot]]

Codecov Report

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

Project coverage is 85.24%. Comparing base (ed351c6) to head (c4cbede). Report is 4 commits behind head on dev.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev #2295 +/- ## ========================================== + Coverage 85.22% 85.24% +0.01% ========================================== Files 270 270 Lines 15565 15571 +6 ========================================== + Hits 13265 13273 +8 + Misses 1877 1876 -1 + Partials 423 422 -1 ```

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