Upgrade CGLIB to ASM9 level as well

See gh-24872

spring-core/src/main/java/org/springframework/asm/Opcodes.java

@@ -53,7 +53,7 @@ public interface Opcodes {
   /**
    * <i>Experimental, use at your own risk. This field will be renamed when it becomes stable, this
    * will break existing code using it. Only code compiled with --enable-preview can use this.</i>
-   * <p>SPRING PATCH: no preview mode check for ASM 9 experimental, enabling it by default.
+   * <p>SPRING PATCH: no preview mode check for ASM 10 experimental, enabling it by default.
    */
   int ASM10_EXPERIMENTAL = 1 << 24 | 10 << 16 | 0 << 8;
 

spring-core/src/main/java/org/springframework/cglib/core/AsmApi.java

@@ -21,10 +21,10 @@ import org.springframework.asm.Opcodes;
 final class AsmApi {
 
     /**
-     * SPRING PATCH: always returns ASM7.
+     * SPRING PATCH: always returns ASM9.
      */
     static int value() {
-        return Opcodes.ASM7;
+        return Opcodes.ASM9;
     }
 
     private AsmApi() {