[CALCITE-6782] Upgrade Cassandra to 4.1.6 and Cassandra driver to 4.18.1 #283

Job	Run time
Windows (JDK 17)	17m 31s
Windows (JDK 8)	16m 59s
Windows (JDK 21)	15m 47s
Linux (JDK 8, latest Guava, America/New_York Timezone)	12m 46s
Linux (JDK 8, oldest Guava, America/New_York Timezone)	11m 30s
ErrorProne (JDK 11, latest Guava)	7m 8s
Linux (JDK 11, Avatica main)	18m 22s
CheckerFramework (JDK 11)	11m 16s
CheckerFramework (JDK 11, oldest Guava)	11m 24s
Linux (JDK 11, Pacific/Chatham Timezone)	11m 27s
Linux (JDK 21)	10m 39s
Linux (JDK 17)	11m 5s
Linux (JDK 23)	10m 51s
Linux (JDK 8) Slow Tests	5m 20s
macOS (JDK 21)	44m 15s
Druid Tests	7m 42s
	3h 44m 2s

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