Update dependency org.jetbrains.kotlin:kotlin-gradle-plugin to v2.1.2…

…0-rigel-276

| datasource | package                                   | from  | to               |
| ---------- | ----------------------------------------- | ----- | ---------------- |
| maven      | org.jetbrains.kotlin:kotlin-gradle-plugin | 2.1.0 | 2.1.20-rigel-276 |

gradle/libs.versions.toml

@@ -1,7 +1,7 @@
 [versions]
 hubdle = "0.7.18"
 hubdleCatalog = "0.3.13"
-kotlin = "2.1.0"
+kotlin = "2.1.20-rigel-276"
 
 [libraries]
 hubdle-catalog = { module = "com.javiersc.hubdle:hubdle-version-catalog", version.ref = "hubdleCatalog" }