ci: node version in deploying workflow

Author: SekulDev

.github/workflows/deploy.yml

@@ -18,11 +18,11 @@ jobs:
 
             - uses: actions/setup-node@v2
               with:
-                  node-version: 18.x
+                  node-version: 20.x
                   cache: pnpm
 
             - name: Install dependencies
-              run: pnpm i
+              run: pnpm install --frozen-lockfile
             - name: Build website
               run: pnpm build