Update kotlin to newest stable version

Author: ctrueden

pom.xml

@@ -315,7 +315,7 @@
 		<!-- Plugin dependencies -->
 		<maven-dependency-tree.version>2.2</maven-dependency-tree.version>
 		<extra-enforcer-rules.version>1.2</extra-enforcer-rules.version>
-		<kotlin.version>1.7.20</kotlin.version>
+		<kotlin.version>1.8.22</kotlin.version>
 		<revapi-java.version>0.20.2</revapi-java.version>
 		<scijava-coding-style.version>2.1.1</scijava-coding-style.version>
 		<therapi.version>0.12.0</therapi.version>