.github/workflows/publish.yml in danger-shroud-0.0.5 vs .github/workflows/publish.yml in danger-shroud-0.0.6

@@ -2,23 +2,26 @@
 
 on:
   push:
     branches: [ "master" ]
 
+env:
+  RUBY_VERSION: 2.7.2
+
 jobs:
   build:
     name: Build + Publish
     runs-on: ubuntu-latest
     permissions:
       contents: read
       packages: write
 
     steps:
     - uses: actions/checkout@v3
-    - name: Set up Ruby 2.6
-      uses: actions/setup-ruby@v1
+    - name: Set up Ruby ${{ env.RUBY_VERSION }}
+      uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 2.6.x
+        ruby-version: ${{ env.RUBY_VERSION }}
 
     - name: Publish to RubyGems
       run: |
         mkdir -p $HOME/.gem
         touch $HOME/.gem/credentials