Update deploy.yml

Author: alizardguy

.github/workflows/deploy.yml

@@ -5,7 +5,7 @@ jobs:
   build_deploy:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@master
+      - uses: actions/checkout@v4
       - name: Build
         uses: TartanLlama/actions-eleventy@master
       - name: Deploy