Amend CODEOWNERS for some ASM classes (#8401)

Author: smola

.github/CODEOWNERS

@@ -57,8 +57,10 @@ dd-java-agent/instrumentation/spring-security-5/ @DataDog/asm-java
 **/Iast*.java                          @DataDog/asm-java
 **/Iast*.groovy                        @DataDog/asm-java
 **/rasp/                               @Datadog/asm-java
-**/*Rasp*.java                          @DataDog/asm-java
-**/*Rasp*.groovy                        @DataDog/asm-java
+**/*Rasp*.java                         @DataDog/asm-java
+**/*Rasp*.groovy                       @DataDog/asm-java
+**/*Waf*.java                          @DataDog/asm-java
+**/*Waf*.groovy                        @DataDog/asm-java
 
 # @DataDog/data-jobs-monitoring
 dd-java-agent/instrumentation/spark/            @DataDog/data-jobs-monitoring