Use minSupportedJavaVersion for example-hello

Author: prdoyle

example-hello/build.gradle

@@ -7,6 +7,12 @@ plugins {
 group = 'works.bosk'
 version = '0.0.1-SNAPSHOT'
 
+java {
+	toolchain {
+		languageVersion = JavaLanguageVersion.of(minSupportedJavaVersion)
+	}
+}
+
 configurations {
 	compileOnly {
 		extendsFrom annotationProcessor