Setting `lowS: false` by default for verification of secp256k1 signatures

[aniketh-varma]

What type of PR is this? (check all applicable)

• [ ] ♻️ Refactor
• [x] ✨ New Feature
• [ ] 🐛 Bug Fix
• [ ] 📝 Documentation Update
• [ ] 👷 Example Application
• [ ] 🧑‍💻 Code Snippet
• [ ] 🎨 Design
• [ ] 📖 Content
• [ ] 🧪 Tests
• [ ] 🔖 Release
• [ ] 🚩 Other

Description

This PR adds the feature of setting the lowS flag to be false by default for the verification of secp256k1 signatures.

Related Tickets & Documents

Resolves #714

Mobile & Desktop Screenshots/Recordings

Added code snippets?

• [x] 👍 yes
• [ ] 🙅 no, because they aren't needed

Added tests?

• [ ] 👍 yes
• [ ] 🙅 no, because they aren't needed
• [x] 🙋 no, because I need help

No tests? Add a note

Added to documentation?

• [ ] 📜 readme
• [ ] 📜 contributing.md
• [ ] 📓 general documentation
• [x] 🙅 no documentation needed

No docs? Add a note

[optional] Are there any post-deployment tasks we need to perform?

[optional] What gif best describes this PR or how it makes you feel?

[codecov-commenter]

Codecov Report

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

Project coverage is 98.71%. Comparing base (8b6eb13) to head (b28da60). Report is 4 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #811 +/- ## ======================================= Coverage 98.71% 98.71% ======================================= Files 74 74 Lines 11469 11469 Branches 1652 1652 ======================================= Hits 11322 11322 Misses 141 141 Partials 6 6 ```

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