deps: update flyway to v12.8.0

Author: eclipse-apoapsis-bot

gradle/libs.versions.toml

@@ -37,7 +37,7 @@ azureStorageBlob = "12.34.0"
 clikt = "5.1.0"
 commonsText = "1.15.0"
 exposed = "1.3.0"
-flyway = "12.7.0"
+flyway = "12.8.0"
 hikari = "7.0.2"
 jsonSchemaValidator = "3.0.3"
 kaml = "0.104.0"