Update dependencies (#91)
Update dependencies (#91)

* Upgrade 'com.github.ben-manes.versions' to 0.21.0

* Upgrade 'com.jfrog.artifactory' to 4.9.6

* Upgrade 'org.jetbrains.kotlin.jvm' to 1.3.31

* Upgrade 'org.jlleitschuh.gradle.ktlint' to 7.3.0

* Upgrade 'org.jetbrains.dokka' to 0.9.18

jaredsburrows/gradle-license-plugin