Bump kotlin.version from 1.9.10 to 1.9.20 (#672)

Bumps `kotlin.version` from 1.9.10 to 1.9.20.

Updates `org.jetbrains.kotlin:kotlin-stdlib` from 1.9.10 to 1.9.20
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.9.10...v1.9.20)

Updates `org.jetbrains.kotlin:kotlin-stdlib-jdk8` from 1.9.10 to 1.9.20
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.9.10...v1.9.20)

Updates `org.jetbrains.kotlin:kotlin-test-junit` from 1.9.10 to 1.9.20
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.9.10...v1.9.20)

Updates `org.jetbrains.kotlin:kotlin-maven-plugin` from 1.9.10 to 1.9.20

Updates `org.jetbrains.kotlin:kotlin-reflect` from 1.9.10 to 1.9.20
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.9.10...v1.9.20)

---
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-stdlib-jdk8
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin:kotlin-test-junit
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin:kotlin-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin:kotlin-reflect
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

bom/pom.xml

@@ -39,7 +39,7 @@
         <dagger.version>2.48.1</dagger.version>
         <jackson.version>2.15.2</jackson.version>
 
-        <kotlin.version>1.9.10</kotlin.version>
+        <kotlin.version>1.9.20</kotlin.version>
         <junit.jupiter.version>5.10.0</junit.jupiter.version>
         <junit.pioneer.version>2.0.1</junit.pioneer.version>
         <truth.version>1.1.5</truth.version>