fix: Update gemspec to remove mfa (#22)

Signed-off-by: Jose Colella <[email protected]>

Author: josecolella

.rubocop.yml

@@ -12,3 +12,6 @@ Style/StringLiteralsInInterpolation:
 
 Layout/LineLength:
   Max: 120
+
+Gemspec/RequireMFA:
+  Enabled: false

openfeature-sdk.gemspec

@@ -34,5 +34,4 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "rake", "~> 13.0"
   spec.add_development_dependency "rspec", "~> 3.12.0"
   spec.add_development_dependency "rubocop", "~> 1.37.1"
-  spec.metadata["rubygems_mfa_required"] = "true"
 end