Upgrade Kotlin to 1.4.20
<kafka.version>2.5.0</kafka.version>
<kudu.version>${kudu-version}</kudu.version><!-- keep in sync with Camel -->
<kubernetes-client.version>${kubernetes-client-version}</kubernetes-client.version>
- <kotlin.version>1.3.72</kotlin.version>
+ <kotlin.version>1.4.20</kotlin.version><!-- keep in sync with Quarkus -->
<netty3.version>${netty3-version}</netty3.version><!-- Spark -->
<mvel2.version>${mvel-version}</mvel2.version><!-- keep in sync with Camel and Optaplanner -->
<nimbus-jose-jwt.version>4.41.1</nimbus-jose-jwt.version><!-- Mess in hdfs transitive deps -->
