build.gradle.kts:

- plugin versions now defined in single location (settings.gradle.kts)
- going back to Gradle 6.1.1
- using "extra" properties for bintray user and key
- allow easy enabling/disabling bintray upload dryMode and publishing

build.gradle.kts

@@ -38,3 +38,14 @@ println( "FlatLaf Version: ${version}" )
 println( "Gradle ${gradle.gradleVersion} at ${gradle.gradleHomeDir}" )
 println( "Java ${System.getProperty( "java.version" )}" )
 println()
+
+
+extra["bintray.user"] = System.getenv( "BINTRAY_USER" ) ?: System.getProperty( "bintray.user" )
+extra["bintray.key"]  = System.getenv( "BINTRAY_KEY" )  ?: System.getProperty( "bintray.key" )
+
+// if true, do not upload to bintray
+extra["bintray.dryRun"] = false
+
+// if true, uploaded artifacts are visible to all
+// if false, only visible to owner when logged into bintray
+extra["bintray.publish"] = true