Bump the rubocop group in /updater with 1 update (#1048)

Bumps the rubocop group in /updater with 1 update: [rubocop-sorbet](https://github.com/shopify/rubocop-sorbet).


Updates `rubocop-sorbet` from 0.7.8 to 0.8.0
- [Release notes](https://github.com/shopify/rubocop-sorbet/releases)
- [Commits](Shopify/rubocop-sorbet@v0.7.8...v0.8.0)

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

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

updater/Gemfile.lock

@@ -268,7 +268,7 @@ GEM
     rubocop-performance (1.20.2)
       rubocop (>= 1.48.1, < 2.0)
       rubocop-ast (>= 1.30.0, < 2.0)
-    rubocop-sorbet (0.7.8)
+    rubocop-sorbet (0.8.0)
       rubocop (>= 0.90.0)
     ruby-progressbar (1.13.0)
     ruby2_keywords (0.0.5)