Drop support for Ruby 3.0

.github/workflows/lint.yml

@@ -15,7 +15,7 @@ jobs:
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 3.0
+        ruby-version: 3.3
     - name: Install dependencies
       run: bundle install
     - name: Run RuboCop against BASE..HEAD changes

.github/workflows/test.yml

@@ -7,7 +7,6 @@ jobs:
     strategy:
       matrix:
         ruby-version:
-          - '3.0'
           - '3.1'
           - '3.2'
           - '3.3'
@@ -17,14 +16,8 @@ jobs:
           - gemfiles/Gemfile.rails72
           - gemfiles/Gemfile.rails80
         exclude:
-          # rails 7.2 requires ruby >= 3.1
-          # https://www.fastruby.io/blog/ruby/rails/versions/compatibility-table.html
-          - ruby-version: '3.0'
-            gemfile: 'gemfiles/Gemfile.rails72'
           # rails 8.0 requires ruby >= 3.2
           # https://www.fastruby.io/blog/ruby/rails/versions/compatibility-table.html
-          - ruby-version: '3.0'
-            gemfile: 'gemfiles/Gemfile.rails80'
           - ruby-version: '3.1'
             gemfile: 'gemfiles/Gemfile.rails80'
 

CHANGELOG.md

@@ -1,4 +1,7 @@
 ## [Unreleased]
+### Fixed
+* Drop support for Ruby 3.0
+
 ## Fixed
 * Exclude unneeded files from gem package
 * Add 2027 bank holidays