Update appender version in the example

README.md

@@ -23,7 +23,7 @@ JDK 11 and above:
     <dependency>
         <groupId>io.logz.log4j2</groupId>
         <artifactId>logzio-log4j2-appender</artifactId>
-        <version>2.0.0</version>
+        <version>2.0.1</version>
     </dependency>
 ```