rubygems.yml in guard-busted-1.0.1

- old
+ new

@@ -11,14 +11,13 @@
     permissions:
       contents: read
       packages: write
 
     steps:
-    - uses: actions/checkout@v3
-    - name: Set up Ruby 3.0
-      uses: actions/setup-ruby@v1
+    - uses: actions/checkout@v4
+    - uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 3.0.x
+        ruby-version: '3.0'
 
     - name: Publish to RubyGems
       run: |
         mkdir -p $HOME/.gem
         touch $HOME/.gem/credentials