Fix: setup Ruby in CI for Jekyll build (#136)

Author: thekaveman

.github/workflows/deploy.yml

@@ -10,6 +10,17 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20.x"
+
+      - name: Setup Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: "3.1"
+          bundler-cache: true
+
       - name: Netlify manual deploy
         run: |
           npm install -g netlify-cli