[WIP] Pin GitHub Actions to commit SHAs in all workflows#158

Copilot wants to merge 2 commits into

copilot/update-workflows-pin-actionscryptomator/cryptomator.github.io:copilot/update-workflows-pin-actionsfrom

copilot/sub-pr-154cryptomator/cryptomator.github.io:copilot/sub-pr-154Copy head branch name to clipboard