Update kotlin monorepo to v1.9.20

| datasource | package                                                         | from            | to     |
| ---------- | --------------------------------------------------------------- | --------------- | ------ |
| maven      | org.jetbrains.kotlin.jvm:org.jetbrains.kotlin.jvm.gradle.plugin | 1.7.20-dev-1435 | 1.9.20 |
| maven      | org.jetbrains.kotlin:kotlin-test                                | 1.7.20-dev-1435 | 1.9.20 |
| maven      | org.jetbrains.kotlin:kotlin-stdlib                              | 1.7.20-dev-1435 | 1.9.20 |
| maven      | org.jetbrains.kotlin:kotlin-script-runtime                      | 1.7.20-dev-1435 | 1.9.20 |
| maven      | org.jetbrains.kotlin:kotlin-reflect                             | 1.7.20-dev-1435 | 1.9.20 |
| maven      | org.jetbrains.kotlin:kotlin-gradle-plugin-api                   | 1.7.20-dev-1435 | 1.9.20 |
| maven      | org.jetbrains.kotlin:kotlin-gradle-plugin                       | 1.7.20-dev-1435 | 1.9.20 |
| maven      | org.jetbrains.kotlin:kotlin-compiler-internal-test-framework    | 1.7.20-dev-1435 | 1.9.20 |
| maven      | org.jetbrains.kotlin:kotlin-compiler-embeddable                 | 1.7.20-dev-1435 | 1.9.20 |
| maven      | org.jetbrains.kotlin:kotlin-compiler                            | 1.7.20-dev-1435 | 1.9.20 |
| maven      | org.jetbrains.kotlin:kotlin-annotations-jvm                     | 1.7.20-dev-1435 | 1.9.20 |

gradle/libs.versions.toml

@@ -1,7 +1,7 @@
 [versions]
 arrowGradleConfig = "0.10.2"
 classgraph = "4.8.146"
-kotlin = "1.7.20-dev-1435"
+kotlin = "1.9.20"
 reflections = "0.10.2"
 
 [libraries]