Bump the kotlin group with 3 updates

Bumps the kotlin group with 3 updates: [org.jetbrains.kotlin:kotlin-stdlib](https://github.com/JetBrains/kotlin), [org.jetbrains.kotlin:kotlin-reflect](https://github.com/JetBrains/kotlin) and [org.jetbrains.kotlin:kotlin-test-junit5](https://github.com/JetBrains/kotlin).


Updates `org.jetbrains.kotlin:kotlin-stdlib` 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)

Updates `org.jetbrains.kotlin:kotlin-reflect` 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)

Updates `org.jetbrains.kotlin:kotlin-test-junit5` 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: org.jetbrains.kotlin:kotlin-stdlib
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: kotlin
- dependency-name: org.jetbrains.kotlin:kotlin-reflect
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: kotlin
- dependency-name: org.jetbrains.kotlin:kotlin-test-junit5
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: kotlin
...

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

build.gradle.kts

@@ -63,8 +63,8 @@ dependencies {
       }
     }
   }
-  implementation("org.jetbrains.kotlin:kotlin-stdlib:1.9.20")
-  implementation("org.jetbrains.kotlin:kotlin-reflect:1.9.20")
+  implementation("org.jetbrains.kotlin:kotlin-stdlib:1.9.21")
+  implementation("org.jetbrains.kotlin:kotlin-reflect:1.9.21")
 
   implementation("io.github.microutils:kotlin-logging:3.0.5")
   implementation("org.slf4j:slf4j-api:2.0.9")
@@ -78,7 +78,7 @@ dependencies {
   implementation("com.google.re2j:re2j:1.7")
 //    implementation("com.github.fge:json-schema-validator:2.2.6")
 
-  testImplementation("org.jetbrains.kotlin:kotlin-test-junit5:1.9.20")
+  testImplementation("org.jetbrains.kotlin:kotlin-test-junit5:1.9.21")
   testImplementation("io.kotest:kotest-runner-junit5:5.8.0")
   testRuntimeOnly("org.junit.platform:junit-platform-launcher:1.10.1")
 }