Deps: Bump actions/checkout

Bumps the dependencies group in /detect-hidden-unicode with 1 update: [actions/checkout](https://github.com/actions/checkout).


Updates `actions/checkout` from 7.0.0 to 7.0.1
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@9c091bb...3d3c42e)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 7.0.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

detect-hidden-unicode/action.yml

@@ -42,7 +42,7 @@ runs:
 
     # According to this comment on SO: https://stackoverflow.com/questions/74265821/get-modified-files-in-github-actions
     # We need a fetch-depth of 2 for our git diff(inside the detect-hidden-unicode python script) to work correctly
-    - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+    - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
       with:
         fetch-depth: 2