Bump gradle/actions from 3 to 4 (#3821) #4458

Job	Run time
nondraft-pr	1s
lint-and-test / test-java	5m 52s
lint-and-test / test-python	3m 3s
lint-and-test / test-ruby	6s
codeql / Analyze (java)	6m 11s
codeql / Analyze (python)	4m 9s
codeql / Analyze (ruby)	4m 0s
ee-ep-merge-end-to-end / integration-test	16m 41s
container-healthchecks / container-healthcheck	5m 55s
svc-bgs-api / integration-test	8m 3s
svc-bip-api / integration-test	8m 30s
	1h 2m 31s

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