Create workflow that runs zizmor latest

[colindean]

This is a ~copy of what's working for me in keepachangelog-parser-java.

If accepted, this could probably be linked from README.md instead of the ESLint example link in #70.

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[ncoghlan]

I reworked the PR in #70 to link to the location where this workflow will be in the repository.

I kept the ESLint link as well, though, since GitHub have some genuinely useful links in the preamble to their example.

[woodruffw]

Thanks @colindean, this is great! One small comment (might be me not understanding)

[woodruffw]

Thanks @colindean!