build(deps-dev): bump solargraph from 0.54.5 to 0.55.0 (#4389)

Bumps [solargraph](https://github.com/castwide/solargraph) from 0.54.5 to 0.55.0.
- [Changelog](https://github.com/castwide/solargraph/blob/master/CHANGELOG.md)
- [Commits](castwide/solargraph@v0.54.5...v0.55.0)

---
updated-dependencies:
- dependency-name: solargraph
  dependency-version: 0.55.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -105,7 +105,7 @@ GEM
     backport (1.2.0)
     base64 (0.2.0)
     beefcake (1.0.0)
-    benchmark (0.4.0)
+    benchmark (0.4.1)
     bigdecimal (3.2.1)
     bit-struct (0.17)
     builder (3.3.0)
@@ -544,7 +544,7 @@ GEM
       rack-protection (= 3.2.0)
       sinatra (= 3.2.0)
       tilt (~> 2.0)
-    solargraph (0.54.5)
+    solargraph (0.55.0)
       backport (~> 1.2)
       benchmark (~> 0.4)
       bundler (~> 2.0)