Update Kotlin to 1.9.20 (#1067)

Author: Bencodes

src/main/starlark/core/repositories/versions.bzl

@@ -63,18 +63,18 @@ versions = struct(
         sha256 = "2b3f6f674a944d25bb8d283c3539947bbe86074793012909a55de4b771f74bcc",
     ),
     KOTLIN_CURRENT_COMPILER_RELEASE = version(
-        version = "1.9.10",
+        version = "1.9.20",
         url_templates = [
             "https://github.com/JetBrains/kotlin/releases/download/v{version}/kotlin-compiler-{version}.zip",
         ],
-        sha256 = "7d74863deecf8e0f28ea54c3735feab003d0eac67e8d3a791254b16889c20342",
+        sha256 = "15a8a2825b74ccf6c44e04e97672db802d2df75ce2fbb63ef0539bf3ae5006f0",
     ),
     KSP_CURRENT_COMPILER_PLUGIN_RELEASE = version(
-        version = "1.9.10-1.0.13",
+        version = "1.9.20-1.0.13",
         url_templates = [
             "https://github.com/google/ksp/releases/download/{version}/artifacts.zip",
         ],
-        sha256 = "5b0b1179e8af40877d9d5929ec0260afb104956eabf2f23bb5568cfd6c20b37b",
+        sha256 = "eddac6a5a5ec53c74babab77a1e36933d13fbdb7682fe9c205979197e19c169f",
     ),
     ANDROID = struct(
         VERSION = "0.1.1",