Bump rubocop-performance from 1.25.0 to 1.26.1 (#52)

Bumps [rubocop-performance](https://github.com/rubocop/rubocop-performance) from 1.25.0 to 1.26.1.
- [Release notes](https://github.com/rubocop/rubocop-performance/releases)
- [Changelog](https://github.com/rubocop/rubocop-performance/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-performance@v1.25.0...v1.26.1)

---
updated-dependencies:
- dependency-name: rubocop-performance
  dependency-version: 1.26.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -235,10 +235,10 @@ GEM
     rubocop-ast (1.47.1)
       parser (>= 3.3.7.2)
       prism (~> 1.4)
-    rubocop-performance (1.25.0)
+    rubocop-performance (1.26.1)
       lint_roller (~> 1.1)
       rubocop (>= 1.75.0, < 2.0)
-      rubocop-ast (>= 1.38.0, < 2.0)
+      rubocop-ast (>= 1.47.1, < 2.0)
     ruby-progressbar (1.13.0)
     securerandom (0.4.1)
     stringio (3.1.7)