Update spark-core, spark-mllib, spark-sql to 3.4.2 (#779)

Co-authored-by: typelevel-steward[bot] <106827141+typelevel-steward[bot]@users.noreply.github.com>

Author: typelevel-steward[bot]

build.sbt

@@ -1,5 +1,5 @@
 val sparkVersion = "3.5.0"
-val spark34Version = "3.4.1"
+val spark34Version = "3.4.2"
 val spark33Version = "3.3.3"
 val catsCoreVersion = "2.10.0"
 val catsEffectVersion = "3.5.2"