ci: add Ruby 3.4 to the matrix

Author: flavorjones

Diff for: .github/workflows/downstream.yml

@@ -27,15 +27,15 @@ jobs:
           - url: https://github.com/rails/tailwindcss-rails
             name: rails-unit
             command: "bin/test"
-            ruby: "3.3"
+            ruby: "3.4"
           - url: https://github.com/rails/tailwindcss-rails
             name: rails-install
             command: "env TAILWINDCSSOPTS=--path=../../.. test/integration/user_install_test.sh"
-            ruby: "3.3"
+            ruby: "3.4"
           - url: https://github.com/rails/tailwindcss-rails
             name: rails-upgrade
             command: "env TAILWINDCSSOPTS=--path=../../.. test/integration/user_upgrade_test.sh"
-            ruby: "3.3"
+            ruby: "3.4"
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4

Diff for: .github/workflows/main.yml

@@ -21,7 +21,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["3.0", "3.1", "3.2", "3.3", "head"]
+        ruby: ["3.0", "3.1", "3.2", "3.3", "3.4", "head"]
     steps:
       - uses: actions/checkout@v4
       - run: rm Gemfile.lock