Require ruby >= 3.2 (#236)

Author: segiddins

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
     uses: ruby/actions/.github/workflows/ruby_versions.yml@3fbf038d6f0d8043b914f923764c61bc2a114a77
     with:
       engine: all
-      min_version: 3.1
+      min_version: 3.2
 
   test:
     needs: ruby-versions
@@ -41,7 +41,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Set up Ruby
-        uses: ruby/setup-ruby@f2f42b7848feff522ffa488a5236ba0a73bccbdd # v1.219.0
+        uses: ruby/setup-ruby@354a1ad156761f5ee2b7b13fa8e09943a5e8d252 # v1.229.0
         with:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
@@ -80,7 +80,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Set up Ruby
-        uses: ruby/setup-ruby@f2f42b7848feff522ffa488a5236ba0a73bccbdd # v1.219.0
+        uses: ruby/setup-ruby@354a1ad156761f5ee2b7b13fa8e09943a5e8d252 # v1.229.0
         with:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
@@ -129,7 +129,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Set up Ruby
-        uses: ruby/setup-ruby@f2f42b7848feff522ffa488a5236ba0a73bccbdd # v1.219.0
+        uses: ruby/setup-ruby@354a1ad156761f5ee2b7b13fa8e09943a5e8d252 # v1.229.0
         with:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
@@ -176,7 +176,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Set up Ruby
-        uses: ruby/setup-ruby@f2f42b7848feff522ffa488a5236ba0a73bccbdd # v1.219.0
+        uses: ruby/setup-ruby@354a1ad156761f5ee2b7b13fa8e09943a5e8d252 # v1.229.0
         with:
           ruby-version: ${{ fromJson(needs.ruby-versions.outputs.latest) }}
           bundler-cache: true
@@ -228,7 +228,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Set up Ruby
-        uses: ruby/setup-ruby@f2f42b7848feff522ffa488a5236ba0a73bccbdd # v1.219.0
+        uses: ruby/setup-ruby@354a1ad156761f5ee2b7b13fa8e09943a5e8d252 # v1.229.0
         with:
           ruby-version: ${{ fromJson(needs.ruby-versions.outputs.latest) }}
           bundler-cache: true

.rubocop.yml

@@ -1,5 +1,5 @@
 AllCops:
-  TargetRubyVersion: 3.1
+  TargetRubyVersion: 3.2
   NewCops: enable
   Exclude:
     - "test/sigstore-conformance/**/*"

cli/sigstore-cli.gemspec

@@ -11,7 +11,7 @@ Gem::Specification.new do |spec|
   spec.summary = "A CLI interface to the sigstore ruby client"
   spec.homepage = "https://github.com/sigstore/sigstore-ruby"
   spec.license = "Apache-2.0"
-  spec.required_ruby_version = ">= 3.1.0"
+  spec.required_ruby_version = ">= 3.2.0"
 
   spec.metadata["allowed_push_host"] = "https://rubygems.org"
 

lib/sigstore/tuf/updater.rb

@@ -21,8 +21,6 @@
 require_relative "targets"
 require_relative "timestamp"
 
-require "set"
-
 module Sigstore::TUF
   class Updater
     include Sigstore::Loggable

sigstore.gemspec

@@ -11,7 +11,7 @@ Gem::Specification.new do |spec|
   spec.summary = "A pure-ruby implementation of sigstore signature verification"
   spec.homepage = "https://github.com/sigstore/sigstore-ruby"
   spec.license = "Apache-2.0"
-  spec.required_ruby_version = ">= 3.1.0"
+  spec.required_ruby_version = ">= 3.2.0"
 
   spec.metadata["allowed_push_host"] = "https://rubygems.org"