Bump to Iceberg 1.5.2 (databricks#149)

* Bump to Iceberg 1.5.1 RC0

* Update Dockerfile

* Bump to Iceberg 1.5.2

* Update Dockerfile

spark/Dockerfile

@@ -50,7 +50,7 @@ WORKDIR ${SPARK_HOME}
 
 ENV SPARK_VERSION=3.5.1
 ENV SPARK_MAJOR_VERSION=3.5
-ENV ICEBERG_VERSION=1.5.0
+ENV ICEBERG_VERSION=1.5.2
 
 # Download spark
 RUN mkdir -p ${SPARK_HOME} \