updating kotlinpoet to 1.18.1

Author: Jolanrensen

generator/gradle.properties

@@ -1,4 +1,2 @@
 kotlinCompilerVersion=2.0.20
-
-# 1.15.0+ breaks with NoSuchMethodException: 'java.io.File com.squareup.kotlinpoet.FileSpec.writeTo(java.io.File)'
-kotlinPoetVersion=1.14.2
+kotlinPoetVersion=1.18.1

gradle/libs.versions.toml

@@ -4,11 +4,11 @@ kotlinJupyter = "0.12.0-139"
 
 ktlint = "12.1.1"
 
-# make sure to sync manually with :generator module
+# make sure to sync both manually with :generator module
 kotlin = "2.0.20"
-kotlinpoet = "1.16.0"
-dokka = "1.9.20"
+kotlinpoet = "1.18.1"
 
+dokka = "1.9.20"
 libsPublisher = "1.8.10-dev-43"
 
 # "Bootstrap" version of the dataframe, used in the build itself to generate @DataSchema APIs,