Enable new build options for GraalVM 25 native image builds

Closes gh-35616

Author: bclozel

spring-context/src/main/java/org/springframework/context/aot/ContextAotProcessor.java

@@ -139,6 +139,8 @@ protected List<String> getDefaultNativeImageArguments(String applicationClassNam
 		args.add("--report-unsupported-elements-at-runtime");
 		args.add("--no-fallback");
 		args.add("--install-exit-handlers");
+		args.add("--future-defaults=all");
+		args.add("--exact-reachability-metadata");
 		return args;
 	}
 

spring-context/src/test/java/org/springframework/context/aot/ContextAotProcessorTests.java

@@ -113,7 +113,9 @@ private Consumer<Path> hasGeneratedAssetsForSampleApplication() {
 					Args = -H:Class=org.springframework.context.aot.ContextAotProcessorTests$SampleApplication \\
 					--report-unsupported-elements-at-runtime \\
 					--no-fallback \\
-					--install-exit-handlers
+					--install-exit-handlers \\
+					--future-defaults=all \\
+					--exact-reachability-metadata
 					""");
 		};
 	}