repair incorrect "cursor" var name in connection faq
repair incorrect "cursor" var name in connection faq

Closes: #8075
Pull-request: https://github.com/sqlalchemy/sqlalchemy/pull/8075
Pull-request-sha: 34e5eaf3870f89c9c38ffe81121fa1b42e363752

Change-Id: Iab8cdc9f8da68ac955eea75efeba263d0a9dcb7b

sqlalchemy/sqlalchemy,zzzeek/sqlalchemy