build(deps-dev): bump solargraph from 0.54.3 to 0.54.4 (#4360)

Bumps [solargraph](https://github.com/castwide/solargraph) from 0.54.3 to 0.54.4.
- [Changelog](https://github.com/castwide/solargraph/blob/master/CHANGELOG.md)
- [Commits](castwide/solargraph@v0.54.3...v0.54.4)

---
updated-dependencies:
- dependency-name: solargraph
  dependency-version: 0.54.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -409,7 +409,7 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rbs (3.9.3)
+    rbs (3.9.4)
       logger
     rdoc (6.11.0)
       psych (>= 4.0.0)
@@ -538,7 +538,7 @@ GEM
       rack-protection (= 3.2.0)
       sinatra (= 3.2.0)
       tilt (~> 2.0)
-    solargraph (0.54.3)
+    solargraph (0.54.4)
       backport (~> 1.2)
       benchmark (~> 0.4)
       bundler (~> 2.0)