Merge pull request #941 from Automattic/dependabot/github_actions/dot… #949

Job	Run time
Prepare build matrix	3s
Build Docker image (ref: 6.7-branch, tag: 6.7)	1m 19s
Build Docker image (ref: 6.6.2, tag: 6.6)	1m 21s
Build Docker image (ref: 6.5.5, tag: 6.5)	1m 9s
Build Docker image (ref: 6.4.5, tag: 6.4)	1m 17s
Build Docker image (ref: 6.3.5, tag: 6.3)	1m 41s
Build Docker image (ref: 6.2.6, tag: 6.2)	1m 51s
Build Docker image (ref: 6.1.7, tag: 6.1)	1m 9s
Build Docker image (ref: 6.0.9, tag: 6.0)	1m 6s
Build Docker image (ref: HEAD, tag: trunk)	2m 37s
	13m 33s

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