build(deps): Bump kotlin.version from 2.2.20 to 2.2.21 (#1350)

Author: dependabot[bot]

pom.xml

@@ -198,7 +198,7 @@
         <jacoco-maven-plugin.version>0.8.14</jacoco-maven-plugin.version>
         <jreleaser-maven-plugin.version>1.19.0</jreleaser-maven-plugin.version>
         <junit.version>6.0.1</junit.version>
-        <kotlin.version>2.2.20</kotlin.version>
+        <kotlin.version>2.2.21</kotlin.version>
         <logback.version>1.5.20</logback.version>
         <neo4j.edition>enterprise</neo4j.edition>
         <neo4j-java-driver.version>6.0.1</neo4j-java-driver.version>