Bump jvm from 1.9.20 to 1.9.21 (#35)

* Bump jvm from 1.9.20 to 1.9.21

Bumps [jvm](https://github.com/JetBrains/kotlin) from 1.9.20 to 1.9.21.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.9.20...v1.9.21)

---
updated-dependencies:
- dependency-name: jvm
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

* Update README.md

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Roger Viñas Alcon <[email protected]>

README.md

@@ -1,6 +1,6 @@
 [![CI](https://github.com/rogervinas/wiremock-testing/actions/workflows/gradle.yml/badge.svg?branch=master)](https://github.com/rogervinas/wiremock-testing/actions/workflows/gradle.yml)
 ![Java](https://img.shields.io/badge/Java-21-blue?labelColor=black)
-![Kotlin](https://img.shields.io/badge/Kotlin-1.9.20-blue?labelColor=black)
+![Kotlin](https://img.shields.io/badge/Kotlin-1.9.21-blue?labelColor=black)
 ![WireMock](https://img.shields.io/badge/WireMock-3.3.1-blue?labelColor=black)
 
 # WireMock Testing

build.gradle.kts

@@ -2,7 +2,7 @@ import org.gradle.api.tasks.testing.logging.TestExceptionFormat.FULL
 import org.gradle.api.tasks.testing.logging.TestLogEvent.*
 
 plugins {
-  kotlin("jvm") version "1.9.20"
+  kotlin("jvm") version "1.9.21"
   application
 }