docs: update latest version

Refs: JF-61

Author: Nylle

README.md

@@ -22,7 +22,7 @@ The purpose of this project is to generate full object graphs for use in test su
 <dependency>
     <groupId>com.github.nylle</groupId>
     <artifactId>javafixture</artifactId>
-    <version>2.8.0</version>
+    <version>2.8.1</version>
     <scope>test</scope>
 </dependency>
 ```