kotlin 1.3.60 (#4598)

Author: sullis

modules/openapi-generator/pom.xml

@@ -200,7 +200,7 @@
         <generex-version>1.0.2</generex-version>
         <jackson-version>2.9.10</jackson-version>
         <jackson-threetenbp-version>2.9.10</jackson-threetenbp-version>
-        <kotlin-version>1.3.41</kotlin-version>
+        <kotlin-version>1.3.60</kotlin-version>
     </properties>
     <dependencies>
         <dependency>