Update Vale

Author: jdkato

.github/workflows/main.yml

@@ -48,12 +48,12 @@ jobs:
 
           pip install yamllint pyyaml docutils
         env:
-          VALE_VERSION: 2.26.0
+          VALE_VERSION: 3.1.0
 
       - name: Features
         run: bundle exec cucumber --format progress
         env:
           CUCUMBER_PUBLISH_QUIET: true
 
       - name: Integration
-        run: vale README.md
+        run: vale README.md