chore: updates Kotlin to 1.5.30

Author: asm0dey

pom.xml

@@ -10,7 +10,7 @@
     <packaging>pom</packaging>
 
     <properties>
-        <kotlin.version>1.5.21</kotlin.version>
+        <kotlin.version>1.5.30</kotlin.version>
         <dokka.version>1.4.32</dokka.version>
         <atrium.version>0.16.0</atrium.version>
         <kotest.version>4.6.0</kotest.version>