Declare missing logger dependency

Otherwise it output a warning on Ruby 3.4

ruby/Gemfile.lock

@@ -2,42 +2,44 @@ PATH
   remote: .
   specs:
     ci-queue (0.57.0)
+      logger
 
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (7.1.3.2)
+    activesupport (7.2.1)
       base64
       bigdecimal
-      concurrent-ruby (~> 1.0, >= 1.0.2)
+      concurrent-ruby (~> 1.0, >= 1.3.1)
       connection_pool (>= 2.2.5)
       drb
       i18n (>= 1.6, < 2)
+      logger (>= 1.4.2)
       minitest (>= 5.1)
-      mutex_m
-      tzinfo (~> 2.0)
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0, >= 2.0.5)
     ansi (1.5.0)
     ast (2.4.2)
     base64 (0.2.0)
-    bigdecimal (3.1.7)
+    bigdecimal (3.1.8)
     builder (3.2.4)
-    concurrent-ruby (1.2.3)
+    concurrent-ruby (1.3.4)
     connection_pool (2.4.1)
     diff-lcs (1.5.1)
     docile (1.4.0)
     drb (2.2.1)
-    i18n (1.14.4)
+    i18n (1.14.6)
       concurrent-ruby (~> 1.0)
-    json (2.7.1)
+    json (2.7.2)
     language_server-protocol (3.17.0.3)
-    minitest (5.22.3)
+    logger (1.6.1)
+    minitest (5.25.1)
     minitest-reporters (1.6.1)
       ansi
       builder
       minitest (>= 5.0)
       ruby-progressbar
     msgpack (1.7.2)
-    mutex_m (0.2.0)
     parallel (1.24.0)
     parser (3.3.0.5)
       ast (~> 2.4.1)
@@ -78,6 +80,7 @@ GEM
     rubocop-ast (1.31.2)
       parser (>= 3.3.0.4)
     ruby-progressbar (1.13.0)
+    securerandom (0.3.1)
     simplecov (0.22.0)
       docile (~> 1.1)
       simplecov-html (~> 0.11)

ruby/ci-queue.gemspec

@@ -31,6 +31,8 @@ Gem::Specification.new do |spec|
 
   spec.metadata['allowed_push_host'] = 'https://rubygems.org'
 
+  spec.add_runtime_dependency 'logger'
+
   spec.add_development_dependency 'bundler'
   spec.add_development_dependency 'rake'
   spec.add_development_dependency 'minitest', ENV.fetch('MINITEST_VERSION', '~> 5.11')