Bump rubocop-performance from 1.9.0 to 1.9.1

Bumps [rubocop-performance](https://github.com/rubocop-hq/rubocop-performance) from 1.9.0 to 1.9.1.
- [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@v1.9.0...v1.9.1)

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

Gemfile.lock

@@ -325,7 +325,7 @@ GEM
       multi_json (~> 1.12)
       omniauth-oauth2 (~> 1.4)
     openstreetmap-deadlock_retry (1.3.0)
-    parallel (1.20.0)
+    parallel (1.20.1)
     parser (2.7.2.0)
       ast (~> 2.4.1)
     pg (1.2.3)
@@ -399,11 +399,11 @@ GEM
       rubocop-ast (>= 0.6.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 2.0)
-    rubocop-ast (1.1.1)
+    rubocop-ast (1.2.0)
       parser (>= 2.7.1.5)
     rubocop-minitest (0.10.1)
       rubocop (>= 0.87)
-    rubocop-performance (1.9.0)
+    rubocop-performance (1.9.1)
       rubocop (>= 0.90.0, < 2.0)
       rubocop-ast (>= 0.4.0)
     rubocop-rails (2.8.1)