chore(deps): bump kotlin from 1.7.20 to 1.9.0

Bumps `kotlin` from 1.7.20 to 1.9.0.

Updates `org.jetbrains.kotlin:kotlin-stdlib-jdk7` from 1.7.20 to 1.9.0
- [Release notes](https:/JetBrains/kotlin/releases)
- [Changelog](https:/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.7.20...v1.9.0)

Updates `org.jetbrains.kotlin:kotlin-gradle-plugin` from 1.7.20 to 1.9.0
- [Release notes](https:/JetBrains/kotlin/releases)
- [Changelog](https:/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.7.20...v1.9.0)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin:kotlin-stdlib-jdk7
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.jetbrains.kotlin:kotlin-gradle-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

gradle/libs.versions.toml

@@ -11,7 +11,7 @@ jacoco-plugin = "0.2"
 jacoco-tool-plugin = "0.8.7"
 junitktx = "1.1.3"
 junit = "4.13.2"
-kotlin = "1.7.20"
+kotlin = "1.9.0"
 material = "1.5.0"
 maps = "3.3.0"
 mapsecrets = "2.0.1"