Merge pull request #792 from navikt/pin-kotlin-compiler-version

fix(build): use matching kotlin version for compiler plugin

Author: jan-olaveide

pom.xml

@@ -107,6 +107,7 @@
                 <plugin>
                     <groupId>org.jetbrains.kotlin</groupId>
                     <artifactId>kotlin-maven-plugin</artifactId>
+                    <version>${kotlin.version}</version>
                     <executions>
                         <execution>
                             <id>compile</id>