Update deploy.yml

Author: SQLDBAWithABeard

.github/workflows/deploy.yml

@@ -19,7 +19,7 @@ jobs:
             - uses: actions/checkout@v3
 
             - name: Cache Hugo resources
-              uses: actions/cache@v2
+              uses: actions/cache@v4
               env:
                   cache-name: cache-hugo-resources
               with: