Bump kotlin-stdlib in /data-prepper-plugins/mapdb-prepper-state (#1297)

Bumps [kotlin-stdlib](https://github.com/JetBrains/kotlin) from 1.6.10 to 1.6.20.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.6.10...v1.6.20)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

data-prepper-plugins/mapdb-prepper-state/build.gradle

@@ -17,7 +17,7 @@ dependencies {
     implementation project(':data-prepper-api')
     implementation project(':data-prepper-plugins:common')
     implementation 'org.mapdb:mapdb:3.0.8'
-    implementation 'org.jetbrains.kotlin:kotlin-stdlib:1.6.10'
+    implementation 'org.jetbrains.kotlin:kotlin-stdlib:1.6.20'
     implementation 'org.jetbrains.kotlin:kotlin-stdlib-common:1.6.10'
 
     testImplementation project(':data-prepper-plugins:common').sourceSets.test.output