build(deps): bump sidekiq from 7.3.7 to 7.3.8

Bumps [sidekiq](https://github.com/sidekiq/sidekiq) from 7.3.7 to 7.3.8.
- [Changelog](https://github.com/sidekiq/sidekiq/blob/main/Changes.md)
- [Commits](sidekiq/sidekiq@v7.3.7...v7.3.8)

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

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

Gemfile

@@ -70,7 +70,7 @@ gem 'aasm', '~> 5.5'
 gem 'after_commit_everywhere', '~> 1.5'
 
 # for running background jobs
-gem 'sidekiq', '~> 7.3.7'
+gem 'sidekiq', '~> 7.3.8'
 gem 'sinatra', '~> 4.1.1', require: false
 gem 'slim', '~> 5.2.1'
 gem 'sidekiq-cron'

Gemfile.lock

@@ -586,7 +586,8 @@ GEM
       activesupport (>= 5.2.0)
     show_me_the_cookies (6.0.0)
       capybara (>= 2, < 4)
-    sidekiq (7.3.7)
+    sidekiq (7.3.8)
+      base64
       connection_pool (>= 2.3.0)
       logger
       rack (>= 2.2.4)
@@ -737,7 +738,7 @@ DEPENDENCIES
   selenium-webdriver (>= 3.142.3)
   shoulda-matchers (>= 5.1.0)
   show_me_the_cookies (>= 6.0.0)
-  sidekiq (~> 7.3.7)
+  sidekiq (~> 7.3.8)
   sidekiq-cron
   simplecov (>= 0.16.1)
   sinatra (~> 4.1.1)