Merge pull request #19 from rspec-parameterized/ruby_2.7

Requires Ruby 2.7+

Author: sue445

.github/workflows/rspec.yml

@@ -14,7 +14,6 @@ jobs:
       fail-fast: false
       matrix:
         ruby-version:
-          - '2.6'
           - '2.7'
           - '3.0'
           - '3.1'

rspec-parameterized-core.gemspec

@@ -14,7 +14,7 @@ I was inspired by [udzura's mock](https://gist.github.com/1881139).}
 
   spec.homepage = "https://github.com/rspec-parameterized/rspec-parameterized-core"
   spec.license = "MIT"
-  spec.required_ruby_version = ">= 2.6.0"
+  spec.required_ruby_version = ">= 2.7.0"
 
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = spec.homepage