Increase heap only for Sonar #271

Job	Run time
Windows (JDK 17)	6m 17s
Windows (JDK 8)	4m 14s
Linux (JDK 8), oldest Guava, America/New_York Timezone	11m 12s
Windows (JDK 21)	4m 14s
Linux (JDK 11), Pacific/Chatham Timezone	10m 26s
Linux (JDK 21)	12m 24s
Linux (JDK 17)	10m 20s
Linux (JDK 8), latest Guava, America/New_York Timezone	12m 0s
Error Prone (JDK 11), latest Guava	6m 19s
Linux (JDK 11), Avatica main	12m 44s
CheckerFramework (JDK 11)	12m 54s
Linux (JDK 22)	10m 22s
macOS (JDK 21)	33m 46s
CheckerFramework (JDK 11), oldest Guava	10m 46s
Druid Tests	7m 9s
Linux (JDK 8) Slow Tests	0s
	2h 45m 7s

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