Bump parallel from 1.17.0 to 1.18.0 (#12358)

Bumps [parallel](https://github.com/grosser/parallel) from 1.17.0 to 1.18.0.
- [Release notes](https://github.com/grosser/parallel/releases)
- [Commits](https://github.com/grosser/parallel/compare/v1.17.0...v1.18.0)

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

Gemfile

@@ -67,7 +67,7 @@ gem 'oj', '~> 3.9'
 gem 'ostatus2', '~> 2.0'
 gem 'ox', '~> 2.11'
 gem 'parslet'
-gem 'parallel', '~> 1.17'
+gem 'parallel', '~> 1.18'
 gem 'posix-spawn', git: 'https://github.com/rtomayko/posix-spawn', ref: '58465d2e213991f8afb13b984854a49fcdcc980c'
 gem 'pundit', '~> 2.1'
 gem 'premailer-rails'

Gemfile.lock

@@ -423,7 +423,7 @@ GEM
     paperclip-av-transcoder (0.6.4)
       av (~> 0.9.0)
       paperclip (>= 2.5.2)
-    parallel (1.17.0)
+    parallel (1.18.0)
     parallel_tests (2.29.2)
       parallel
     parser (2.6.5.0)
@@ -751,7 +751,7 @@ DEPENDENCIES
   ox (~> 2.11)
   paperclip (~> 6.0)
   paperclip-av-transcoder (~> 0.6)
-  parallel (~> 1.17)
+  parallel (~> 1.18)
   parallel_tests (~> 2.29)
   parslet
   pg (~> 1.1)