v9.0.0

BREAKING CHANGES

• eslint@^7
• eslint-config-jsdoc@^27

Features

• Don't require @param/@returns with @private (99bcfe8)
• Enable jsdoc rules at error level (9709f93)
• Enable no-constant-condition as error (5e2f997)
• Enable require-hyphen-before-param-description to forbid hyphen (89a358c)