v3.2.2

What's Changed

• [Refund][Shipment] Fix handling full shipment amount within upstream triggered refunds by @NoResponseMate in #317
• [API] Improve checkout/payments handling by @NoResponseMate in #315
• [CI] Bump BuildTestAppAction to v4 by @NoResponseMate in #318
• [UPMERGE] 2.2 -> 3.2 by @SyliusBot in #316
• [API] Slight controller improvements by @NoResponseMate in #319

Full Changelog: v3.2.1...v3.2.2