build(deps-dev): bump yard from 0.9.39 to 0.9.40

Bumps [yard](https://yardoc.org) from 0.9.39 to 0.9.40.

---
updated-dependencies:
- dependency-name: yard
  dependency-version: 0.9.40
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -595,7 +595,7 @@ GEM
     webrick (1.9.2)
     xml-simple (1.1.9)
       rexml
-    yard (0.9.39)
+    yard (0.9.40)
     yard-activesupport-concern (0.0.1)
       yard (>= 0.8)
     yard-solargraph (0.1.0)