chore(deps): bump rubocop-performance from 1.21.0 to 1.21.1

Bumps [rubocop-performance](https://github.com/rubocop/rubocop-performance) from 1.21.0 to 1.21.1.
- [Release notes](https://github.com/rubocop/rubocop-performance/releases)
- [Changelog](https://github.com/rubocop/rubocop-performance/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-performance@v1.21.0...v1.21.1)

---
updated-dependencies:
- dependency-name: rubocop-performance
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -239,8 +239,8 @@ GEM
       actionpack (>= 4.2)
       omniauth (~> 2.0)
     orm_adapter (0.5.0)
-    parallel (1.24.0)
-    parser (3.3.2.0)
+    parallel (1.25.1)
+    parser (3.3.3.0)
       ast (~> 2.4.1)
       racc
     pg (1.5.6)
@@ -319,8 +319,8 @@ GEM
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
-    rexml (3.2.8)
-      strscan (>= 3.0.9)
+    rexml (3.3.0)
+      strscan
     rspec-core (3.13.0)
       rspec-support (~> 3.13.0)
     rspec-expectations (3.13.0)
@@ -355,7 +355,7 @@ GEM
       unicode-display_width (>= 2.4.0, < 3.0)
     rubocop-ast (1.31.3)
       parser (>= 3.3.1.0)
-    rubocop-performance (1.21.0)
+    rubocop-performance (1.21.1)
       rubocop (>= 1.48.1, < 2.0)
       rubocop-ast (>= 1.31.1, < 2.0)
     rubocop-rails (2.25.0)