Merge pull request #953 from Automattic/dependabot/github_actions/dot… #962

Job	Run time
Prepare build matrix	3s
Build Docker image (ref: 6.7-branch, tag: 6.7)	6m 50s
Build Docker image (ref: 6.6.2, tag: 6.6)	5m 57s
Build Docker image (ref: 6.5.5, tag: 6.5)	6m 51s
Build Docker image (ref: 6.4.5, tag: 6.4)	5m 16s
Build Docker image (ref: 6.3.5, tag: 6.3)	6m 28s
Build Docker image (ref: 6.2.6, tag: 6.2)	4m 46s
Build Docker image (ref: 6.1.7, tag: 6.1)	5m 48s
Build Docker image (ref: 6.0.9, tag: 6.0)	6m 3s
Build Docker image (ref: HEAD, tag: trunk)	7m 6s
	55m 8s

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