Bump docker/build-push-action from 4 to 5 #961

Job	Run time
native-build-test-event-statistics	8m 38s
native-build-test-rest-fights	11m 36s
native-build-test-rest-heroes	8m 2s
native-build-test-rest-villains	8m 20s
build-test-event-statistics-11	2m 3s
build-test-rest-fights-11	3m 14s
build-test-rest-heroes-11	1m 20s
build-test-rest-villains-11	1m 17s
build-test-event-statistics-17	1m 55s
build-test-rest-fights-17	3m 4s
build-test-rest-heroes-17	1m 22s
build-test-rest-villains-17	1m 26s
	52m 17s

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