Remove Spark 3.4 for Iceberg/main (#949)

Author: snazy

frameworks-versions.properties

@@ -189,7 +189,7 @@ constraints.sparkVersions.iceberg-1.7=3.3,3.4,3.5
 constraints.sparkVersions.iceberg-1.8=3.3,3.4,3.5
 constraints.sparkVersions.iceberg-1.9=3.4,3.5
 constraints.sparkVersions.iceberg-1.10=3.4,3.5
-constraints.sparkVersions.iceberg-999.99=3.4,3.5
+constraints.sparkVersions.iceberg-999.99=3.5
 # Flink version restrictions - for specific Iceberg versions
 constraints.flinkVersions.iceberg-1.0=1.14,1.15
 constraints.flinkVersions.iceberg-1.1=1.14,1.15,1.16