feat: [BREAKING CHANGE] revert fix grammar on containsAtleast message

[pnkrishnamurthy-okta]

BREAKING CHANGE: revert fix grammar on containsAtleast message

Description

Reverting the PR https://github.com/auth0/password-sheriff/pull/28/files

References

Testing

Describe how this can be tested by reviewers. Be specific about anything not tested and reasons why. If this library has unit and/or integration testing, tests should be added for new functionality and existing tests should complete without errors.

Please include any manual steps for testing end-to-end or functionality not covered by unit/integration tests.

Also include details of the environment this PR was developed in (language/platform/browser version).

• This change adds test coverage for new/changed/fixed functionality

Checklist

• I have added documentation for new/changed functionality in this PR or in auth0.com/docs
• All active GitHub checks for tests, formatting, and security are passing
• The correct base branch is being used, if not the default branch