build(deps): bump zeitwerk from 2.4.2 to 2.5.1 in /docs

Bumps [zeitwerk](https://github.com/fxn/zeitwerk) from 2.4.2 to 2.5.1.
- [Release notes](https://github.com/fxn/zeitwerk/releases)
- [Changelog](https://github.com/fxn/zeitwerk/blob/main/CHANGELOG.md)
- [Commits](https://github.com/fxn/zeitwerk/compare/v2.4.2...v2.5.1)

---
updated-dependencies:
- dependency-name: zeitwerk
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

docs/Gemfile.lock

@@ -281,7 +281,7 @@ GEM
     unf_ext (0.0.8)
     unicode-display_width (1.8.0)
     yell (2.2.2)
-    zeitwerk (2.4.2)
+    zeitwerk (2.5.1)
 
 PLATFORMS
   ruby