chore(deps): bump kotlin.version from 1.9.10 to 1.9.20

Bumps `kotlin.version` from 1.9.10 to 1.9.20.

Updates `org.jetbrains.kotlin:kotlin-stdlib-jdk8` from 1.9.10 to 1.9.20
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.9.10...v1.9.20)

Updates `org.jetbrains.kotlin:kotlin-maven-plugin` from 1.9.10 to 1.9.20

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin:kotlin-stdlib-jdk8
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin:kotlin-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -15,7 +15,7 @@
 
         <javafx.version>17.0.9</javafx.version>
         <librepass.api.version>0.1.0</librepass.api.version>
-        <kotlin.version>1.9.10</kotlin.version>
+        <kotlin.version>1.9.20</kotlin.version>
         <controlsfx.version>11.1.2</controlsfx.version>
 
         <jmods.dir>${project.build.directory}/modules</jmods.dir>