fix(deps): remove upper bound from semantic_logger dependency

leopard.gemspec

@@ -38,7 +38,7 @@ Gem::Specification.new do |spec| # rubocop:disable Metrics/BlockLength
   spec.add_dependency 'dry-configurable', '~> 1.3'
   spec.add_dependency 'dry-monads', '~> 1.9'
   spec.add_dependency 'nats-pure', '~> 2.5'
-  spec.add_dependency 'semantic_logger', '~> 4'
+  spec.add_dependency 'semantic_logger', '>= 4'
 
   # For more information and examples about making a new gem, check out our
   # guide at: https://bundler.io/guides/creating_gem.html

test/lib/gemspec.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+require 'helper'
+
+describe 'leopard gemspec' do
+  let(:specification) { Gem::Specification.load((Rubyists::Leopard.root / 'leopard.gemspec').to_s) }
+  let(:semantic_logger_requirement) do
+    specification.runtime_dependencies.find { |dependency| dependency.name == 'semantic_logger' }.requirement
+  end
+
+  it 'supports semantic_logger 4.x and newer' do
+    refute semantic_logger_requirement.satisfied_by?(Gem::Version.new('3.9.9'))
+    assert semantic_logger_requirement.satisfied_by?(Gem::Version.new('4.0.0'))
+    assert semantic_logger_requirement.satisfied_by?(Gem::Version.new('5.0.0'))
+    assert semantic_logger_requirement.satisfied_by?(Gem::Version.new('6.0.0'))
+  end
+end