Update actions/setup-java action to v4 (#83) #262

Job	Run time
people-service-dotnet-scan	45s
trade-processor-dockerfile-scan	1m 45s
reference-data-node-scan	53s
database-dockerfile-scan	1m 25s
account-service-gradle-scan	1m 13s
trade-feed-node-scan	29s
account-service-dockerfile-scan	1m 50s
database-gradle-scan	1m 0s
trade-feed-dockerfile-scan	1m 46s
web-front-end/angular-node-scan	1m 7s
position-service-gradle-scan	1m 35s
trade-processor-gradle-scan	1m 21s
position-service-dockerfile-scan	1m 52s
web-front-end/proxy-node-scan	30s
trade-service-gradle-scan	1m 18s
web-front-end/react-node-scan	1m 36s
trade-service-dockerfile-scan	1m 52s
web-front-end/angular-dockerfile-scan	2m 50s
people-service-dockerfile-scan	1m 31s
reference-data-dockerfile-scan	2m 40s
	29m 18s

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