Bump rubocop from 1.69.2 to 1.70.0 in the rubocop group (#581)

* Bump rubocop from 1.69.2 to 1.70.0 in the rubocop group

Bumps the rubocop group with 1 update: [rubocop](https://github.com/rubocop/rubocop).


Updates `rubocop` from 1.69.2 to 1.70.0
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.69.2...v1.70.0)

---
updated-dependencies:
- dependency-name: rubocop
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: rubocop
...

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

* Update gemset.nix

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: robbe[bot] <bot@robbevp.be>

Author: dependabot[bot]

Gemfile.lock

@@ -259,7 +259,7 @@ GEM
     reline (0.6.0)
       io-console (~> 0.5)
     rexml (3.3.9)
-    rubocop (1.69.2)
+    rubocop (1.70.0)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)