Update GitHub Actions, pin to SHAs, add Dependabot - #53

Update GitHub Actions, pin to SHAs, add Dependabot#53

JohanLorenzo merged 3 commits into

mozilla:mainmozilla/stmo-cli:mainfrom

JohanLorenzo:update-github-actionsJohanLorenzo/stmo-cli-fork:update-github-actionsCopy head branch name to clipboard