Upgrade checkout@v in build-deploy

Author: do-your-own-seo

.github/workflows/build-deploy.yml

@@ -9,10 +9,10 @@ jobs:
   build-deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       # Use GitHub Actions' cache to cache dependencies on servers
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: vendor/bundle
           key: ${{ runner.os }}-gems-${{ hashFiles('**/Gemfile.lock') }}