Typo fix in public_global_variables.n

[petryshkaCODE]

Pull Request Title: Typo fix in public_global_variables.nr

Description:

This pull request addresses a typo in the public_global_variables.nr file. The comment has been updated to correctly reflect the intended terminology.

Changes:

• Fixed a typo in the comment: changed "protocl" to "protocol".
• The comment now reads: // protocol global vars are equal to the private ones so we just re-export them here under a different name.

File(s) Modified:

• aztec/src/context/globals/public_global_variables.nr

Reasoning:

Correcting the typo ensures that the comments align with the rest of the codebase and enhances readability.

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