Specify Rails 7.2 in gemspec

Since 4debf05 Rails / ActiveRecord
7.2 is required.

Signed-off-by: Tilmann Singer <tils@tils.net>

Author: til

IBM_DB_Adapter/ibm_db/IBM_DB.gemspec

@@ -20,8 +20,8 @@ Gem::Specification.new do |spec|
   spec.required_ruby_version = '>= 2.5.0'
   spec.add_dependency('rubyzip', '>= 2.3.2')
   spec.add_dependency('down')
-  spec.add_dependency 'rails', '>= 7.0', '< 7.3'
-  spec.add_dependency 'activerecord', '>= 7.0', '< 7.3'
+  spec.add_dependency 'rails', '>= 7.2', '< 7.3'
+  spec.add_dependency 'activerecord', '>= 7.2', '< 7.3'
 
   candidates = Dir.glob("**/*")
   spec.files = candidates.delete_if do |item|