utoipa-3.1.0

What's New 💎 🆕 🎉

• (ddd138e) Update next versions
• (2e501eb) Fix nullable ref schema inline (#510) @juhaku
• (1fbe015) Fix nullable ref schema (#509) @juhaku
• (4cb0b7e) Add support for external OpenAPI docs (#502) @juhaku
• (159d490) Add full support for nullable field detection (#498) @juhaku
• (746431d) Add support for free form additional properties (#495) @juhaku

Full change log