Bump actions/cache to v4

Author: kategengler

.github/actions/setup/action.yml

@@ -19,7 +19,7 @@ runs:
         node-version: 18
         registry-url: 'https://registry.npmjs.org'
         cache: pnpm
-    - uses: actions/cache@v3
+    - uses: actions/cache@v4
       name: Setup cache for puppeteer
       with:
         # See .puppeteerrc.cjs, where we set this as the place puppeteer