workflows/test.yml: use `ruby-version`.

`version` is deprecated.

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9e85b2212ef7dd08d8e3fb4d96f61e36a342e3a7..bb9ed4aa543f233db54c6160d65f3795e5a98016 100644 (file)
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -25,7 +25,7 @@ jobs:
       - name: Set up Ruby 2.4
         uses: actions/setup-ruby@v1
         with:
-          version: 2.4.x
+          ruby-version: 2.4.x
 
       - name: Set up Bundler
         run: gem install bundler