chore(deps): update dependency sidekiq to v7 (#445)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Gemfile

@@ -40,7 +40,7 @@ gem 'ruby-filemagic', '~> 0.7', '>= 0.7.3'
 gem 'rubyzip', '~> 2.3', '>= 2.3.2'
 gem 'sentry-raven', '~> 3.1', '>= 3.1.2'
 gem 'sepa_king', '~> 0.14'
-gem 'sidekiq', '~> 6.5', '>= 6.5.12'
+gem 'sidekiq', '~> 7.3', '>= 7.3.7'
 gem 'sidekiq-scheduler', '~> 5.0', '>= 5.0.6'
 gem 'slack-notifier', '~> 2.4'
 gem 'validates_timeliness', '~> 7.0.0.beta2'

Gemfile.lock

@@ -129,7 +129,7 @@ GEM
     coderay (1.1.3)
     colorize (0.8.1)
     concurrent-ruby (1.3.4)
-    connection_pool (2.3.0)
+    connection_pool (2.4.1)
     consistency_fail (0.3.7)
     counter_culture (3.8.2)
       activerecord (>= 4.2)
@@ -245,6 +245,7 @@ GEM
     llhttp-ffi (0.5.0)
       ffi-compiler (~> 1.0)
       rake (~> 13.0)
+    logger (1.6.3)
     loofah (2.23.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
@@ -370,6 +371,8 @@ GEM
       ffi (~> 1.0)
     rb-readline (0.5.5)
     redis (4.8.1)
+    redis-client (0.23.0)
+      connection_pool
     regexp_parser (2.2.1)
     request_store (1.5.1)
       rack (>= 1.4)
@@ -458,10 +461,11 @@ GEM
       iban-tools
       nokogiri
     shellany (0.0.1)
-    sidekiq (6.5.12)
-      connection_pool (>= 2.2.5, < 3)
-      rack (~> 2.0)
-      redis (>= 4.5.0, < 5)
+    sidekiq (7.3.7)
+      connection_pool (>= 2.3.0)
+      logger
+      rack (>= 2.2.4)
+      redis-client (>= 0.22.2)
     sidekiq-scheduler (5.0.6)
       rufus-scheduler (~> 3.2)
       sidekiq (>= 6, < 8)
@@ -592,7 +596,7 @@ DEPENDENCIES
   rubyzip (~> 2.3, >= 2.3.2)
   sentry-raven (~> 3.1, >= 3.1.2)
   sepa_king (~> 0.14)
-  sidekiq (~> 6.5, >= 6.5.12)
+  sidekiq (~> 7.3, >= 7.3.7)
   sidekiq-scheduler (~> 5.0, >= 5.0.6)
   simplecov
   simplecov-lcov (~> 0.8.0)