fix: hadnle zeros at the endpoints in `BisectionMethod`

[vil02]

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Describe your change:

findRoot errors when one is trying to find a root for x^3 on the interval [-1, 1]. This PR fixes that and adds a test cave case covering: https://github.com/TheAlgorithms/JavaScript/blob/4a4ed57d4285fc61b5385d2c2525369ce2c4e6fb/Maths/BisectionMethod.js#L29

• [ ] Add an algorithm?
• [x] Fix a bug or typo in an existing algorithm?
• [ ] Documentation change?

Checklist:

• [x] I have read CONTRIBUTING.md.
• [x] This pull request is all my own work -- I have not plagiarized.
• [x] I know that pull requests will not be merged if they fail the automated tests.
• [x] This PR only changes one algorithm file. To ease review, please open separate PRs for separate algorithms.
• [x] All new JavaScript files are placed inside an existing directory.
• [x] All filenames should use the UpperCamelCase (PascalCase) style. There should be no spaces in filenames. Example:UserProfile.js is allowed but userprofile.js,Userprofile.js,user-Profile.js,userProfile.js are not
• [x] All new algorithms have a URL in their comments that points to Wikipedia or another similar explanation.
• [x] If this pull request resolves one or more open issues then the commit message contains Fixes: #{$ISSUE_NO}.

[codecov-commenter]

Codecov Report

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

Project coverage is 84.09%. Comparing base (bd34e9f) to head (f2f10bd).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1640 +/- ## ========================================== + Coverage 84.07% 84.09% +0.02% ========================================== Files 375 375 Lines 19688 19687 -1 Branches 2913 2914 +1 ========================================== + Hits 16552 16556 +4 + Misses 3136 3131 -5 ```

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