build: fix invalid actions-cloudflare-purge version

Author: ibiixie

.github/workflows/deploy.yml

@@ -81,11 +81,11 @@ jobs:
     name: Purge Cloudflare Cache
     runs-on: ubuntu-latest
     environment: production
-    needs: [build-frontend, build-backend]
+    needs: ["deploy"]
 
     steps:
       - name: Purge cache
-        uses: nathanvaughn/actions-cloudflare-purge@v3
+        uses: nathanvaughn/actions-cloudflare-purge@v3.1.0
         with:
           cf_zone: ${{ secrets.CLOUDFLARE_ZONE }}
           cf_auth: ${{ secrets.CLOUDFLARE_AUTH_KEY }}