Bump kotlin.version from 1.3.60 to 1.4.0#63

dependabot-preview[bot] wants to merge 1 commit intomasterjvm-operators/kotlin-example-operator:masterfrom

dependabot/maven/kotlin.version-1.4.0jvm-operators/kotlin-example-operator:dependabot/maven/kotlin.version-1.4.0Copy head branch name to clipboard