v4.0.2

What's Changed

• Reuse schema["title"] if it's defined by @ddorian in #186
• Simple webhook schema by @ddorian in #191
• Fix missing Field.default when it's value is None in openapi spec by @ddorian in #189
• ServerVariable.enum should be optional by @luolingchun in #194

New Contributors

• @ddorian made their first contribution in #186

Full Changelog: v4.0.1...v4.0.2