ci(dependabot): Configure GH actions dependencies bumps #693

Job	Run time
lint (.)	37s
test (.)	35s
lint (tasks/lookup-slack-channel-for-release-owner)	2m 33s
test (tasks/lookup-slack-channel-for-release-owner)	17s
lint (util/update-manifest-releases)	48s
test (util/update-manifest-releases)	44s
lint (util/cat-search-tool)	24s
test (util/cat-search-tool)	21s
lint (ci/resources/stemcell-version-bump)	1m 22s
test (ci/resources/stemcell-version-bump)	1m 2s
	8m 43s

Provide feedback