Set iceberg version to 1.4.3, It is changed to 1.4.2 by mistake (#279)

pom.xml

@@ -31,7 +31,7 @@
         <version.assembly.plugin>3.6.0</version.assembly.plugin>
         <!-- Use same version as iceberg https://github.com/apache/iceberg/blob/main/gradle/libs.versions.toml#L53-->
         <version.jackson>2.14.2</version.jackson>
-        <version.iceberg>1.4.2</version.iceberg>
+        <version.iceberg>1.4.3</version.iceberg>
         <!-- Following two properties defines which version of iceberg-spark-runtime is used -->
         <!-- Example https://mvnrepository.com/artifact/org.apache.iceberg/iceberg-spark-runtime-3.4_2.13/1.4.3 -->
         <version.spark.major>3.5</version.spark.major>