Update kotlin-coroutines.version to v1.4.3-native-mt

Author: renovate-bot

pom.xml

@@ -15,7 +15,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <java.version>1.8</java.version>
         <kotlin.version>1.4.21</kotlin.version>
-        <kotlin-coroutines.version>1.4.2</kotlin-coroutines.version>
+        <kotlin-coroutines.version>1.4.3-native-mt</kotlin-coroutines.version>
         <jackson.version>2.12.3</jackson.version>
         <graphql-java.version>16.2</graphql-java.version>