Bump rubocop-performance from 1.7.0 to 1.7.1

Bumps [rubocop-performance](https://github.com/rubocop-hq/rubocop-performance) from 1.7.0 to 1.7.1.
- [Release notes](https://github.com/rubocop-hq/rubocop-performance/releases)
- [Changelog](https://github.com/rubocop-hq/rubocop-performance/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-performance@v1.7.0...v1.7.1)

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

Gemfile.lock

@@ -68,7 +68,7 @@ GEM
       unicode-display_width (>= 1.4.0, < 2.0)
     rubocop-ast (0.1.0)
       parser (>= 2.7.0.1)
-    rubocop-performance (1.7.0)
+    rubocop-performance (1.7.1)
       rubocop (>= 0.82.0)
     rubocop-rspec (1.42.0)
       rubocop (>= 0.87.0)