Bump Iceberg-Java to 1.9.1 (#2093)

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Co-authored-by: Kevin Liu <kevinjqliu@users.noreply.github.com>

Author: Fokko

dev/Dockerfile

@@ -39,7 +39,7 @@ WORKDIR ${SPARK_HOME}
 # Remember to also update `tests/conftest`'s spark setting
 ENV SPARK_VERSION=3.5.6
 ENV ICEBERG_SPARK_RUNTIME_VERSION=3.5_2.12
-ENV ICEBERG_VERSION=1.9.0
+ENV ICEBERG_VERSION=1.9.1
 ENV PYICEBERG_VERSION=0.9.1
 
 RUN curl --retry 5 -s -C - https://archive.apache.org/dist/spark/spark-${SPARK_VERSION}/spark-${SPARK_VERSION}-bin-hadoop3.tgz -o spark-${SPARK_VERSION}-bin-hadoop3.tgz \