Update workflow dependencies.

Author: fnando

.github/workflows/ruby-tests.yml

@@ -19,16 +19,16 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["3.2", "3.3"]
+        ruby: ["3.3", "3.4"]
         gemfile:
           - Gemfile
           - gemfiles/7_1.gemfile
           - gemfiles/7_0.gemfile
 
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v4
 
-      - uses: actions/cache@v2
+      - uses: actions/cache@v4
         with:
           path: vendor/bundle
           key: >