Typo fix in main.cpp

[petryshkaCODE]

Pull Request Title: Typo fix in main.cpp

Description:

This pull request fixes a typo in the comment within the main.cpp file. The word "differes" has been corrected to "differs."

Changes:

• Corrected the spelling of "differes" to "differs" in the comment explaining the method.

File(s) Modified:

• cpp/src/barretenberg/bb/main.cpp

Reasoning:

Correcting the typo improves clarity and ensures that the comment is grammatically correct.

Checklist:

• The code follows the project's coding guidelines.
• All relevant tests are passing.
• I have updated the documentation (if necessary).
• I have tested the changes locally.

Related Issues:

N/A

Additional Notes:

N/A