Move hints to dedicated top-level package (avoiding aot<->support cycle)

See gh-29026, gh-29069

spring-test/src/main/java/org/springframework/test/context/aot/hint/StandardTestRuntimeHints.java → spring-test/src/main/java/org/springframework/test/context/hint/StandardTestRuntimeHints.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.test.context.aot.hint;
+package org.springframework.test.context.hint;
 
 import org.springframework.aot.hint.RuntimeHints;
 import org.springframework.core.annotation.MergedAnnotations;

spring-test/src/main/java/org/springframework/test/context/aot/hint/TestContextRuntimeHints.java → spring-test/src/main/java/org/springframework/test/context/hint/TestContextRuntimeHints.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.test.context.aot.hint;
+package org.springframework.test.context.hint;
 
 import java.lang.annotation.Annotation;
 import java.util.Arrays;

spring-test/src/main/java/org/springframework/test/context/aot/hint/package-info.java → spring-test/src/main/java/org/springframework/test/context/hint/package-info.java

@@ -4,7 +4,7 @@
  */
 @NonNullApi
 @NonNullFields
-package org.springframework.test.context.aot.hint;
+package org.springframework.test.context.hint;
 
 import org.springframework.lang.NonNullApi;
 import org.springframework.lang.NonNullFields;

spring-test/src/main/resources/META-INF/spring/aot.factories

@@ -1,5 +1,5 @@
 org.springframework.aot.hint.RuntimeHintsRegistrar=\
-org.springframework.test.context.aot.hint.TestContextRuntimeHints
+org.springframework.test.context.hint.TestContextRuntimeHints
 
 org.springframework.test.context.aot.TestRuntimeHintsRegistrar=\
-org.springframework.test.context.aot.hint.StandardTestRuntimeHints
+org.springframework.test.context.hint.StandardTestRuntimeHints