Bump ruby-lsp from 0.26.2 to 0.26.4

Bumps [ruby-lsp](https://github.com/Shopify/ruby-lsp) from 0.26.2 to 0.26.4.
- [Release notes](https://github.com/Shopify/ruby-lsp/releases)
- [Commits](Shopify/ruby-lsp@v0.26.2...v0.26.4)

---
updated-dependencies:
- dependency-name: ruby-lsp
  dependency-version: 0.26.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -126,7 +126,7 @@ GEM
       prism (~> 1.4)
     rubocop-shopify (2.18.0)
       rubocop (~> 1.62)
-    ruby-lsp (0.26.2)
+    ruby-lsp (0.26.4)
       language_server-protocol (~> 3.17.0)
       prism (>= 1.2, < 2.0)
       rbs (>= 3, < 5)