from datetime import datetime


def convert_to_git_timestamp(timestamp: str) -> str:
    """
    Converts the timestamp to a git timestamp.

    :param timestamp: The timestamp to convert.
    :return: The git timestamp.
    """
    date = datetime.strptime(str(timestamp), '%Y%m%d%H%M')
    return date.strftime("%Y-%m-%dT%H:%M:%SZ")