upgrade rails and style (read: rexml)

- CVE-2024-49761 rexml ( /via style)
- CVE-2023-38037 active-support

Author: kbrock

Diff for: manageiq-schema.gemspec

@@ -25,10 +25,10 @@ Gem::Specification.new do |spec|
   spec.add_dependency "more_core_extensions",    ">= 3.5", "< 5"
   spec.add_dependency "pg"
   spec.add_dependency "pg-pglogical",            "~> 2.1.1"
-  spec.add_dependency "rails",                   "~>6.0.0"
+  spec.add_dependency "rails",                   "~> 6.0.6", ">= 6.0.6.1"
 
-  spec.add_development_dependency "manageiq-style", ">= 1.5.2"
+  spec.add_development_dependency "manageiq-style", ">= 1.5.3"
   spec.add_development_dependency "rspec"
   spec.add_development_dependency "rspec-rails"
-  spec.add_development_dependency "simplecov"
+  spec.add_development_dependency "simplecov", ">= 0.21.2"
 end