[CALCITE-6066] Add HYPOT function (enabled in Spark library) #70

Job	Run time
CheckerFramework (JDK 11)	15m 38s
Error Prone (JDK 11), latest Guava	4m 53s
Linux (JDK 11), Avatica main	22m 57s
CheckerFramework (JDK 11), oldest Guava	12m 58s
Druid Tests	10m 59s
Linux (JDK 11), Pacific/Chatham Timezone	18m 14s
Linux (JDK 17)	17m 57s
Linux (JDK 19)	12m 38s
Linux (JDK 8), latest Guava, America/New_York Timezone	15m 12s
Linux (JDK 8), oldest Guava, America/New_York Timezone	17m 39s
macOS (JDK 19)	31m 52s
Linux (JDK 8) Slow Tests	0s
Windows (JDK 17)	19m 40s
Windows (JDK 8)	23m 22s
	3h 43m 59s

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