update Netty to 4.1.66.Final

update Netty to 4.1.66.Final
Signed-off-by: NKrzysztof Mozejko <k.mozejko@ocado.com>

pom.xml

@@ -132,7 +132,7 @@
             <dependency>
                 <groupId>io.netty</groupId>
                 <artifactId>netty-bom</artifactId>
-                <version>4.1.65.Final</version>
+                <version>4.1.66.Final</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>