deps-dev: update solargraph requirement from ~> 0.47.0 to ~> 0.48.0

Created by: dependabot[bot]

Updates the requirements on solargraph to permit the latest version.

Changelog

Sourced from solargraph's changelog.

0.48.0 - December 19, 2022

• Add Sublime Text to README (#604)
• Map nested constant assignments
• Handle rest/kwrest modifiers on overload arguments (#601)
• Make rubocop info severity Severity::HINT (#576)
• Process non-self singleton classes (#581)
• Fix nest gemspec dependency (#599)
• Strip 'file ' prefix from all filenames in RdocToYard (#585)
• Show why rubocop fails (#605)
• Link solargraph-rails (#611)

Commits

• d498612 Bump version
• 4761775 fix: hover and jump for union type (#618)
• 0a520ae Process non-self singleton classes in Ruby < 2.6
• 8cfd2bc Link solargraph-rails (#611)
• b93bc72 Show why rubocop fails (#605)
• b8484cb Strip 'file ' prefix from all filenames in RdocToYard (#585)
• caf6bcb fix nest gemspec dependency (#599)
• a2dbacb Process non-self singleton classes (#581)
• ccacd43 make rubocop info severity Severity::HINT (#576)
• 956b82a Handle rest/kwrest modifiers on overload arguments (#601)
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)