Bump html-proofer from 5.0.6 to 5.0.7 (#31)

Bumps [html-proofer](https://github.com/gjtorikian/html-proofer) from 5.0.6 to 5.0.7.
- [Release notes](https://github.com/gjtorikian/html-proofer/releases)
- [Changelog](https://github.com/gjtorikian/html-proofer/blob/main/CHANGELOG.md)
- [Commits](gjtorikian/html-proofer@v5.0.6...v5.0.7)

---
updated-dependencies:
- dependency-name: html-proofer
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -2,7 +2,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     Ascii85 (1.1.0)
-    addressable (2.8.2)
+    addressable (2.8.4)
       public_suffix (>= 2.0.2, < 6.0)
     afm (0.2.2)
     async (2.5.0)
@@ -25,7 +25,7 @@ GEM
     google-protobuf (3.22.2-x86_64-darwin)
     google-protobuf (3.22.2-x86_64-linux)
     hashery (2.1.2)
-    html-proofer (5.0.6)
+    html-proofer (5.0.7)
       addressable (~> 2.3)
       async (~> 2.1)
       nokogiri (~> 1.13)