chore: Modified bug issue template to add checkbox to report potential regression.

[ashishdhingra]

Issue #, if available:

Description of changes:

• Modified bug issue template to add checkbox to report potential regression.
• Added GitHub action to add/remove label potential-regression when issue is created/edited.

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[codecov[bot]]

Codecov Report

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

Project coverage is 33.84%. Comparing base (5f99588) to head (2c511c3). Report is 1 commits behind head on dev.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev #855 +/- ## =========================================== - Coverage 62.39% 33.84% -28.56% =========================================== Files 279 273 -6 Lines 10900 10845 -55 Branches 1513 1503 -10 =========================================== - Hits 6801 3670 -3131 - Misses 3563 6877 +3314 + Partials 536 298 -238 ```

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