Bump jvm from 1.8.0 to 1.9.20

Bumps [jvm](https://github.com/JetBrains/kotlin) from 1.8.0 to 1.9.20.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](https://github.com/JetBrains/kotlin/commits)

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

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

Author: dependabot[bot]

build.gradle.kts

@@ -3,7 +3,7 @@ import org.gradle.api.tasks.testing.logging.TestLogEvent
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
-    kotlin("jvm") version "1.8.0" apply false
+    kotlin("jvm") version "1.9.20" apply false
     id("com.google.protobuf") version "0.9.4" apply false
     id("org.gradle.test-retry") version "1.5.6"
     id("io.github.gradle-nexus.publish-plugin") version "1.3.0"