use latest versions of actions

Author: titusfortner

.github/workflows/pin-browsers.yml

@@ -18,9 +18,9 @@ jobs:
     needs: update
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Download patch
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           name: patch-file
       - name: Apply Patch