Don't rely on logger from the standard library for Ruby 3.5 compat

Author: michaelklishin

bunny.gemspec

@@ -29,6 +29,7 @@ Gem::Specification.new do |s|
 
   # Dependencies
   s.add_runtime_dependency 'amq-protocol', '~> 2.3'
+  s.add_runtime_dependency 'logger', '~> 1', '>= 1.7'
   s.add_runtime_dependency 'sorted_set', '~> 1', '>= 1.0.2'
 
   # Files.