Upgrade to Gradle 5.6.4#7

Merged

twincitiesguy merged 1 commit intomasterfrom

gradle-upgrade-5.6.4

Feb 26, 2021

Commits on Feb 25, 2021

Upgrade Gradle wrapper and build file to 5.6.4 (similar to ecs-object-client-java)
twincitiesguy
committed