0.15.3

Changelog

• 888b5a9: Bump actions/checkout from 2 to 3 (@dependabot[bot])
• bad8a8b: Bump github.com/mattn/go-isatty from 0.0.17 to 0.0.18 (@dependabot[bot])
• 187bb1c: Bump github.com/urfave/cli/v2 from 2.25.0 to 2.25.1 (@dependabot[bot])
• 00ce7b2: Let there be env variable (@chmouel)
• 03d8597: Use pull_request_target (@chmouel)
• cdf7dbb: a bit nicer webpage css (@chmouel)
• a55ab1f: add dependabot auto merge (@chmouel)
• 2ab7aec: another way to cache docker image (@chmouel)
• de4659a: cache docker image building (@chmouel)
• b805823: linter fixes (@chmouel)
• 6d89403: update link for download gosmee (@chmouel)
• f8d3533: update_type: all for dependabot (@chmouel)