ci: Fix release workflow ruby version (#1689)

Author: mtrezza

.github/workflows/release-automated.yml

@@ -18,6 +18,8 @@ jobs:
       - uses: actions/setup-node@v2
         with:
           node-version: 14
+      - name: Setup Ruby
+        uses: ruby/setup-ruby@359bebbc29cbe6c87da6bc9ea3bc930432750108
       - name: Cache Gems
         id: cache-gems
         uses: actions/cache@v2