Add todo to replace static methods with objects yegor256#880

pom.xml

@@ -96,6 +96,14 @@ SOFTWARE.
     <dependency>
       <groupId>org.cactoos</groupId>
       <artifactId>cactoos</artifactId>
+      <!--
+        @todo #880:30min Once Cactoos is updated to qulice >=0.18.5
+         remove all references to Files.newXXX static methods and
+         replace them with OO objects such as InputOf or OutputOf
+         depending on the need. See
+         https://github.com/yegor256/takes/pull/886#issuecomment-446030223
+         for details.
+       -->
       <version>0.38</version>
     </dependency>
     <dependency>