Update GitHub CI to use actions/checkout@v3; use of the older checkout@v2 gets annoying deprecation notices. * od/ci-use-checkout-v3-when-applicable: ci(main): upgrade actions/checkout to v3
Update GitHub CI to use actions/checkout@v3; use of the older checkout@v2 gets annoying deprecation notices. * od/ci-use-checkout-v3-when-applicable: ci(main): upgrade actions/checkout to v3