Avoid open-ended dependency on sequel

Author: mpraglowski

contrib/ruby_event_store-sequel/Gemfile.lock

@@ -9,7 +9,7 @@ PATH
   specs:
     ruby_event_store-sequel (0.1.0)
       ruby_event_store (>= 2.0.0, < 3.0.0)
-      sequel (>= 5.11.0)
+      sequel (~> 5.11)
 
 GEM
   remote: https://rubygems.org/

contrib/ruby_event_store-sequel/ruby_event_store-sequel.gemspec

@@ -26,6 +26,6 @@ Gem::Specification.new do |spec|
 
   spec.required_ruby_version = ">= 2.7"
 
-  spec.add_dependency "sequel", ">= 5.11.0"
+  spec.add_dependency "sequel", "~> 5.11"
   spec.add_dependency "ruby_event_store", ">= 2.0.0", "< 3.0.0"
 end