Update release-0.287.rst

Add Iceberg version update

presto-docs/src/main/sphinx/release/release-0.287.rst

@@ -78,6 +78,7 @@ ____________
 
 Iceberg Connector Changes
 _______________
+* Upgrade Iceberg from 1.4.3 to 1.5.0. :pr:`21961`
 * Fix identity and truncate transforms on DecimalType columns. :pr:`21958`
 * Fix the bug that ``CAST`` from non-legacy timestamp to date rounding to future when the timestamp is prior than `1970-01-01 00:00:00.000`. :pr:`21959`
 * Add support to set ``commit.retry.num-retries`` table property with table creation to make the number of attempts to make in case of concurrent upserts configurable. :pr:`21250`