Update to latest Netty which has 2 security fixes in it.
https://netty.io/news/2021/09/09/4-1-68-Final.html
Signed-off-by: Matthew Skinner <matt@pcmus.com>
<eea.version>2.2.1</eea.version>
<jackson.version>2.12.3</jackson.version>
<karaf.version>4.3.3</karaf.version>
- <netty.version>4.1.63.Final</netty.version>
+ <netty.version>4.1.68.Final</netty.version>
<okhttp.version>3.14.9</okhttp.version>
<sat.version>0.11.1</sat.version>
<spotless.version>2.0.3</spotless.version>