Try to fix Check resource URLs action

Author: alfonsogarciacaro

.github/workflows/check_resources_url.yml

@@ -7,12 +7,11 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up Ruby 2.6
-      uses: actions/setup-ruby@v1
+    - uses: actions/checkout@v3
+    - uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 2.6.x
-    - name: Checks
-      run: |
+        ruby-version: '3.0' # Not needed with a .ruby-version file
+        bundler-cache: true # runs 'bundle install' and caches installed gems automatically
+    - run: |
         gem install awesome_bot
         awesome_bot docs/resources.md --allow-redirect