feat: Cast numeric (non int) to timestamp (#3559) #425

Job	Run time
Lint	37s
Build Native Library (macOS)	21m 50s
macos-14/Spark 3.4, JDK 11, Scala 2.12 [fuzz]	38m 26s
macos-14/Spark 3.4, JDK 11, Scala 2.12 [csv]	9m 46s
macos-14/Spark 3.4, JDK 11, Scala 2.12 [sql]	7m 21s
macos-14/Spark 3.5, JDK 17, Scala 2.13 [csv]	8m 17s
macos-14/Spark 3.5, JDK 17, Scala 2.13 [fuzz]	32m 8s
macos-14/Spark 3.4, JDK 11, Scala 2.12 [expressions]	22m 15s
macos-14/Spark 3.4, JDK 11, Scala 2.12 [exec]	16m 26s
macos-14/Spark 3.5, JDK 17, Scala 2.13 [shuffle]	18m 35s
macos-14/Spark 3.4, JDK 11, Scala 2.12 [shuffle]	20m 10s
macos-14/Spark 3.5, JDK 17, Scala 2.13 [parquet]	17m 10s
macos-14/Spark 4.0, JDK 17, Scala 2.13 [exec]	17m 51s
macos-14/Spark 4.0, JDK 17, Scala 2.13 [shuffle]	29m 3s
macos-14/Spark 4.0, JDK 17, Scala 2.13 [expressions]	20m 49s
macos-14/Spark 3.5, JDK 17, Scala 2.13 [exec]	14m 43s
macos-14/Spark 3.4, JDK 11, Scala 2.12 [parquet]	18m 5s
macos-14/Spark 4.0, JDK 17, Scala 2.13 [sql]	12m 39s
macos-14/Spark 3.5, JDK 17, Scala 2.13 [sql]	10m 1s
macos-14/Spark 4.0, JDK 17, Scala 2.13 [fuzz]	23m 21s
macos-14/Spark 4.0, JDK 17, Scala 2.13 [parquet]	15m 42s
macos-14/Spark 4.0, JDK 17, Scala 2.13 [csv]	7m 54s
macos-14/Spark 3.5, JDK 17, Scala 2.13 [expressions]	22m 11s
	6h 45m 20s

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