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

@@ -35,7 +35,7 @@ gem 'redis', '~> 5.3'
 gem 'rswag'
 
 # Sidekiq for background processing
-gem 'sidekiq', '~> 7.3.7'
+gem 'sidekiq', '~> 7.3.8'
 
 # Error and performance monitoring with Sentry
 gem 'sentry-rails'

Gemfile.lock

@@ -506,7 +506,7 @@ GEM
       psych (>= 4.0.0)
     redis (5.3.0)
       redis-client (>= 0.22.0)
-    redis-client (0.23.1)
+    redis-client (0.23.2)
       connection_pool
     reform (2.6.2)
       disposable (>= 0.5.0, < 1.0.0)
@@ -611,7 +611,8 @@ GEM
       activesupport (>= 3)
     shoulda-matchers (6.4.0)
       activesupport (>= 5.2.0)
-    sidekiq (7.3.7)
+    sidekiq (7.3.8)
+      base64
       connection_pool (>= 2.3.0)
       logger
       rack (>= 2.2.4)
@@ -737,7 +738,7 @@ DEPENDENCIES
   sentry-ruby
   shoulda-callback-matchers
   shoulda-matchers
-  sidekiq (~> 7.3.7)
+  sidekiq (~> 7.3.8)
   simplecov
   spring
   spring-watcher-listen (~> 2.1.0)