Bump ostruct from 0.6.0 to 0.6.1

Bumps [ostruct](https://github.com/ruby/ostruct) from 0.6.0 to 0.6.1.
- [Release notes](https://github.com/ruby/ostruct/releases)
- [Commits](ruby/ostruct@v0.6.0...v0.6.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -91,7 +91,7 @@ GEM
     nokogiri (1.16.7)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    ostruct (0.6.0)
+    ostruct (0.6.1)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     pdf-reader (2.13.0)