fix: upgrade com.fasterxml.jackson.datatype:jackson-datatype-guava from 2.11.3 to 2.12.0
fix: upgrade com.fasterxml.jackson.datatype:jackson-datatype-guava from 2.11.3 to 2.12.0

Snyk has created this PR to upgrade com.fasterxml.jackson.datatype:jackson-datatype-guava from 2.11.3 to 2.12.0.

See this package in Maven Repository:
https://mvnrepository.com/artifact/com.fasterxml.jackson.datatype/jackson-datatype-guava/

See this project in Snyk:
https://app.snyk.io/org/totto/project/30f93cab-c31f-4f7f-a158-dc49c2fa6112?utm_source=github&utm_medium=upgrade-pr
Cantara/ratpack-websockets