build(deps): bump gradle/gradle-build-action from 2.4.2 to 3.0.0 #2975

Job	Run time
prerequisites	3m 2s
Lint pkg	2m 2s
test_integrations (stack-reference)	1m 37s
go-tests	4m 21s
test_integrations (stack-transformation)	1m 25s
test_integrations (adopt-into-component)	1m 55s
test_templates	0s
examples	0s
test_integrations (rename)	1m 31s
test_integrations (rename-component)	1m 53s
test_integrations (rename-component-and-child)	1m 44s
test_integrations (retype-component)	1m 55s
test_integrations (retype-parents)	1m 39s
	23m 4s

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