Use spring.native.precompute.log system property

This commit changes the Java system property used to
control PreComputeFieldFeature verbose logging from
spring.aot.precompute to spring.native.precompute.log
in order to clarify its purpose and avoid confusion
with AOT processing of JVM bytecode or Java sources.

See spring-projectsgh-30571

spring-core/src/main/java/org/springframework/aot/nativex/feature/PreComputeFieldFeature.java

@@ -26,7 +26,7 @@
  * GraalVM {@link Feature} that substitutes boolean field values that match a certain pattern
  * with values pre-computed AOT without causing class build-time initialization.
  *
- * <p>It is possible to pass <pre style="code">-Dspring.aot.precompute=verbose</pre> as a
+ * <p>It is possible to pass <pre style="code">-Dspring.native.precompute.log=verbose</pre> as a
  * <pre style="code">native-image</pre> compiler build argument to display detailed logs
  * about pre-computed fields.</p>
  *
@@ -36,7 +36,7 @@
  */
 class PreComputeFieldFeature implements Feature {
 
-	private static final boolean verbose = "verbose".equals(System.getProperty("spring.aot.precompute"));
+	private static final boolean verbose = "verbose".equals(System.getProperty("spring.native.precompute.log"));
 
 	private static final Pattern[] patterns = {
 			Pattern.compile(Pattern.quote("org.springframework.core.NativeDetector#inNativeImage")),