chore(deps): update actions/upload-artifact action to v7 and configure Renovate automerge (#149)

* chore(deps): update actions/upload-artifact action to v7

* chore: add automerge for github-actions renovate updates

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/main.yml

@@ -42,7 +42,7 @@ jobs:
       - name: Run Playwright tests
         run: pnpm test
 
-      - uses: actions/upload-artifact@v6
+      - uses: actions/upload-artifact@v7
         if: always()
         with:
           name: playwright-report

renovate.json

@@ -3,6 +3,7 @@
   "extends": [
     "config:base"
   ],
+  "rebaseWhen": "behind-base-branch",
   "rangeStrategy": "bump",
   "packageRules": [
     {
@@ -18,6 +19,13 @@
         "semantic-release-version-mirror/package.json"
       ],
       "automerge": true
+    },
+    {
+      "matchManagers": [
+        "github-actions"
+      ],
+      "automerge": true,
+      "automergeType": "pr"
     }
   ]
 }