chore(deps): Bump akka.version from 2.6.20 to 2.6.21#592

bednar merged 2 commits intomasterinfluxdata/influxdb-client-java:masterfrom

dependabot/maven/akka.version-2.6.21influxdata/influxdb-client-java:dependabot/maven/akka.version-2.6.21Copy head branch name to clipboard