Add Michelin to ADOPTERS.md (#40) #73

Job	Run time
set-env	1s
Replicate Adopters public list file in all repositories concerned	3m 11s
Replicate Code of Conduct in all repositories	3s
Replicate Backers public list file in all repositories concerned	5s
Replicate Changelog file in all repositories concerned	2s
Replicate Contributing file in all repositories concerned	2s
Replicate Roadmap file in all repositories concerned	3s
Replicate Dependency Policy in all repositories	5s
Replicate Governance file in all repositories concerned	8s
Replicate Maintainers in all repositories	4s
Replicate Stale issues file in all repositories concerned	5s
Replicate Welcome New Users file in all repositories concerned	6s
	3m 55s

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