Update the GATK base image to a newer LTS ubuntu release #3538

Job	Run time
build and push gatk docker to artifacts	22m 0s
check if the environment has privileges	1s
Validate generated WDLs using womtools	13m 57s
Validate script WDLs using womtools	1m 0s
WDL test RUN_CNV_GERMLINE_COHORT_WDL on cromwell	27m 58s
WDL test RUN_CNV_GERMLINE_CASE_WDL on cromwell	32m 14s
WDL test RUN_CNV_SOMATIC_WDL on cromwell	25m 56s
WDL test RUN_M2_WDL on cromwell	17m 49s
WDL test RUN_CNN_WDL on cromwell	16m 45s
WDL test RUN_VCF_SITE_LEVEL_FILTERING_WDL on cromwell	14m 27s
Java 17.0.6+10 build and test cloud	24m 48s
Java 17.0.6+10 build and test integration	33m 29s
Java 17.0.6+10 build and test unit	22m 54s
Java 17.0.6+10 test on docker integration	37m 42s
Java 17.0.6+10 test on docker unit	23m 16s
Java 17.0.6+10 test on docker variantcalling	33m 6s
Java 17.0.6+10 test on docker conda	32m 20s
	6h 19m 42s

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