CI: Quote, to avoid YAML 3.0 => "3"

olleolleolle · web-flow · commit 024161986446 · 2021-12-15T16:18:22.000+01:00
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -50,7 +50,7 @@ jobs:
             os: ubuntu-latest
             gemfile: Gemfile
             allow-failure: true
-          - ruby: 3.0
+          - ruby: '3.0'
             os: ubuntu-latest
             gemfile: Gemfile
             allow-failure: true
