Upgrade to Flyway 8.0.4

Closes gh-28697

Author: snicoll

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/flyway/FlywayPropertiesTests.java

@@ -114,8 +114,7 @@ void expectedPropertiesAreManaged() {
 		ignoreProperties(configuration, "callbacks", "classLoader", "dataSource", "javaMigrations",
 				"javaMigrationClassProvider", "resourceProvider", "resolvers");
 		// Properties we don't want to expose
-		ignoreProperties(configuration, "resolversAsClassNames", "callbacksAsClassNames", "apiExtensions", "loggers",
-				"driver");
+		ignoreProperties(configuration, "resolversAsClassNames", "callbacksAsClassNames", "loggers", "driver");
 		// Handled by the conversion service
 		ignoreProperties(configuration, "baselineVersionAsString", "encodingAsString", "locationsAsStrings",
 				"targetAsString");

spring-boot-project/spring-boot-dependencies/build.gradle

@@ -309,7 +309,7 @@ bom {
 			]
 		}
 	}
-	library("Flyway", "8.0.3") {
+	library("Flyway", "8.0.4") {
 		group("org.flywaydb") {
 			modules = [
 				"flyway-core"