Update GitHub Action versions, pin them, and harden the runner - #49

Update GitHub Action versions, pin them, and harden the runner#49

zerolab merged 3 commits into

maintorchbox/wagtail-bynder:mainfrom

chore/gha-pinning-and-tooling-updatestorchbox/wagtail-bynder:chore/gha-pinning-and-tooling-updatesCopy head branch name to clipboard