build(deps): bump v.kotlin from 2.1.10 to 2.1.20 in /src (#365)

Bumps `v.kotlin` from 2.1.10 to 2.1.20.

Updates `org.jetbrains.kotlin:kotlin-stdlib` from 2.1.10 to 2.1.20
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.1.10...v2.1.20)

Updates `org.jetbrains.kotlin:kotlin-test` from 2.1.10 to 2.1.20
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.1.10...v2.1.20)

Updates `org.jetbrains.kotlin:kotlin-maven-plugin` from 2.1.10 to 2.1.20

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin:kotlin-stdlib
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin:kotlin-test
  dependency-type: direct:development
  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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

src/client-toolchain/pom.xml

@@ -17,7 +17,7 @@
     <maven.compiler.source>17</maven.compiler.source>
     <maven.compiler.target>17</maven.compiler.target>
 
-    <v.kotlin>2.1.10</v.kotlin>
+    <v.kotlin>2.1.20</v.kotlin>
     <v.lyo>7.0.0-SNAPSHOT</v.lyo>
     <v.jersey>3.1.5</v.jersey>
     <v.kotlin.coroutines>1.10.1</v.kotlin.coroutines>