Update kotlinpoet to v2.3.0

Author: renovate[bot]

gradle/libs.versions.toml

@@ -4,7 +4,7 @@ kct = "0.7.1"
 kotlin = "2.0.0"
 jdk = "21"
 jvmTarget = "11"
-kotlinpoet = "2.2.0"
+kotlinpoet = "2.3.0"
 ksp = "2.1.21-2.0.2"
 ktfmt = "0.56"