Allow replacing notebooks content pre-test

[classiqdor]

Updated to support both regex and changing variables
Example usage:

@wrap_testbook("bernstein_vazirani", timeout_seconds=30,
    replacements_regex=[("STRING_LENGTH = 5", "STRING_LENGTH = 6")],
    replacements_variables=[("SECRET_INT", 2)],
    )
def test_notebook(tb: TestbookNotebookClient) -> None:
    ....

[github-actions]

🌟 Incredible, @classiqdor! You've merged your 58th PR! 🎯🎊

Your ongoing commitment to classiq-library is truly remarkable. You're a driving force in our community! 🚀
Your contributions are helping to shape the future of quantum computing! What exciting features or improvements do you envision next? 🔮

We are grateful for your dedication! 💫