Update dependency org.cactoos:cactoos to v0.60.0

Author: renovate[bot]

pom.xml

@@ -94,7 +94,7 @@
       <dependency>
         <groupId>org.cactoos</groupId>
         <artifactId>cactoos</artifactId>
-        <version>0.59.0</version>
+        <version>0.60.0</version>
       </dependency>
       <dependency>
         <groupId>com.jcabi.incubator</groupId>