Update required ruby version to match actual state

Author: Taucher2003

.github/workflows/main.yml

@@ -14,8 +14,7 @@ jobs:
     strategy:
       matrix:
         ruby:
-          - '3.0.0' # using 3.0.0 instead of latest patch as 3.0.0 is the minimum specified in the gemspec
-          - '3.1.6'
+          - '3.1.2' # using 3.1.2 instead of latest patch as 3.1.2 is the minimum specified in the gemspec
           - '3.2.2'
           - '3.3.6'
 

code0-identities.gemspec

@@ -11,7 +11,7 @@ Gem::Specification.new do |spec|
   spec.summary = "Library to manage external identities"
   spec.homepage = "https://github.com/code0-tech/code0-identities"
   spec.license = "MIT"
-  spec.required_ruby_version = ">= 3.0.0"
+  spec.required_ruby_version = ">= 3.1.2"
 
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = spec.homepage