Suppress security alerts

https://github.com/advisories/GHSA-jppv-gw3r-w3q8

ext/bigdecimal/bigdecimal.gemspec

@@ -32,7 +32,7 @@ Gem::Specification.new do |s|
 
   s.required_ruby_version = Gem::Requirement.new(">= 2.3.0")
 
-  s.add_development_dependency "rake", "~> 10.0"
+  s.add_development_dependency "rake", ">= 12.3.3"
   s.add_development_dependency "rake-compiler", ">= 0.9"
   s.add_development_dependency "minitest", "< 5.0.0"
   s.add_development_dependency "pry"

lib/ipaddr.gemspec

@@ -23,6 +23,6 @@ Both IPv4 and IPv6 are supported.
   spec.require_paths = ["lib"]
 
   spec.add_development_dependency "bundler", "~> 1.15"
-  spec.add_development_dependency "rake", "~> 10.0"
+  spec.add_development_dependency "rake", ">= 12.3.3"
   spec.add_development_dependency "test-unit"
 end

lib/logger/logger.gemspec

@@ -23,7 +23,7 @@ Gem::Specification.new do |spec|
   spec.required_ruby_version = ">= 2.3.0"
 
   spec.add_development_dependency "bundler", ">= 0"
-  spec.add_development_dependency "rake", "~> 10.0"
+  spec.add_development_dependency "rake", ">= 12.3.3"
   spec.add_development_dependency "test-unit"
   spec.add_development_dependency "rdoc"
 end