Add opt-out to instrumentations that invokes ApplicationModule (#6970)

What Does This Do
Enable opt-out for instrumentations that calls ApplicationModule

Motivation
We are not reporting servlet misconfiguration vulnerabilities with opt-out configuration

Author: jandro996

dd-java-agent/instrumentation/servlet/request-2/src/main/java/datadog/trace/instrumentation/servlet2/IastServlet2Instrumentation.java

@@ -64,4 +64,9 @@ public void methodAdvice(MethodTransformer transformer) {
             .and(isPublic()),
         packageName + ".IastServlet2Advice");
   }
+
+  @Override
+  protected boolean isOptOutEnabled() {
+    return true;
+  }
 }

dd-java-agent/instrumentation/servlet/request-3/src/main/java/datadog/trace/instrumentation/servlet3/IastServlet3Instrumentation.java

@@ -59,4 +59,9 @@ public void methodAdvice(MethodTransformer transformer) {
             .and(isPublic()),
         packageName + ".IastServlet3Advice");
   }
+
+  @Override
+  protected boolean isOptOutEnabled() {
+    return true;
+  }
 }

dd-java-agent/instrumentation/servlet/request-5/src/main/java/datadog/trace/instrumentation/servlet5/IastJakartaServletInstrumentation.java

@@ -58,6 +58,11 @@ public void methodAdvice(MethodTransformer transformer) {
         getClass().getName() + "$IastAdvice");
   }
 
+  @Override
+  protected boolean isOptOutEnabled() {
+    return true;
+  }
+
   public static class IastAdvice {
 
     @Advice.OnMethodExit(suppress = Throwable.class)