Avoid dead code warning in any macro

Value classes will give dead code warning on `ArgumentMatchers.any`
because type annotation is missing. This commit fetches the internal type of the
value class and adds the annotation.

Author: perok

macro/src/main/scala/org/mockito/matchers/MacroMatchers.scala

@@ -23,16 +23,25 @@ object MacroMatchers {
     val isValueClass     = typeSymbol.isClass && typeSymbol.asClass.isDerivedValueClass
     val isCaseValueClass = isValueClass && typeSymbol.asClass.isCaseClass
 
+    lazy val innerType =
+      tpe.members
+        .filter(_.isConstructor)
+        .flatMap(_.asMethod.paramLists)
+        .flatMap(_.map(_.typeSignature))
+        .head match {
+        case TypeRef(_, s, _) => s.name.toTypeName
+      }
+
     val r = if (isCaseValueClass) c.Expr[AnyMatcher[T]] {
       q"""
       new _root_.org.mockito.matchers.AnyMatcher[$tpe] {
-        override def any: $tpe = ${tpe.companion.decl(TermName("apply"))}(_root_.org.mockito.ArgumentMatchers.any())
+        override def any: $tpe = ${tpe.companion.decl(TermName("apply"))}(_root_.org.mockito.ArgumentMatchers.any[$innerType]())
       }
     """
     } else if (isValueClass) c.Expr[AnyMatcher[T]] {
       q"""
       new _root_.org.mockito.matchers.AnyMatcher[$tpe] {
-        override def any: $tpe = new $tpe(_root_.org.mockito.ArgumentMatchers.any())
+        override def any: $tpe = new $tpe(_root_.org.mockito.ArgumentMatchers.any[$innerType]())
       }
     """
     } else