Update the GATK base image to a newer LTS ubuntu release #3515

Job	Run time
build and push gatk docker to artifacts	23m 22s
Validate generated WDLs using womtools	13m 9s
check if the environment has privileges	1s
Validate script WDLs using womtools	1m 7s
WDL test RUN_CNV_GERMLINE_COHORT_WDL on cromwell	30m 25s
WDL test RUN_CNV_GERMLINE_CASE_WDL on cromwell	34m 36s
WDL test RUN_CNV_SOMATIC_WDL on cromwell	28m 9s
WDL test RUN_M2_WDL on cromwell	20m 54s
WDL test RUN_CNN_WDL on cromwell	19m 44s
WDL test RUN_VCF_SITE_LEVEL_FILTERING_WDL on cromwell	15m 54s
Java 17.0.6+10 build and test cloud	17m 49s
Java 17.0.6+10 build and test integration	33m 30s
Java 17.0.6+10 build and test unit	20m 10s
Java 17.0.6+10 test on docker integration	35m 53s
Java 17.0.6+10 test on docker unit	25m 30s
Java 17.0.6+10 test on docker variantcalling	31m 53s
Java 17.0.6+10 test on docker conda	31m 42s
	6h 23m 48s

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