[checkout] Automated update from Adyen/adyen-openapi@a1f4b19

Author: AdyenAutomationBot

sdk-generation-log/checkout.json

@@ -0,0 +1,8 @@
+{
+  "service": "checkout",
+  "project": "php",
+  "generatedAt": "2026-04-14T07:41:00Z",
+  "openapiCommitSha": "a1f4b19cca472f4d51aa7568fc8ff0f838ca9f57",
+  "automationCommitSha": "855b6c5526cb5fae757e921687c38df66d31dc4b",
+  "libraryCommitSha": "543a990aa9c3dc0c5899292b33c6762d153edca7"
+}