Clean up GitHub rule

[jacknagz]

Background

While prepping for the GitHub podcast, I ran across a few small QoL improvements to this rule

Changes

• don't use deep_get for single-level nesting
• change the ordering of the all() call

Testing

• locally

[github-actions[bot]]

:scream: looks like some things could be wrong with the packs

[INFO][root]: ignoring file dependabot.yml