Bump @synthetixio/synpress from 3.7.3 to 4.0.3 in /packages/frontend

Bumps [@synthetixio/synpress](https://github.com/synthetixio/synpress) from 3.7.3 to 4.0.3.
- [Release notes](https://github.com/synthetixio/synpress/releases)
- [Commits](https://github.com/synthetixio/synpress/compare/3.7.3...@synthetixio/[email protected])

---
updated-dependencies:
- dependency-name: "@synthetixio/synpress"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

packages/frontend/package.json

@@ -20,7 +20,7 @@
     "@mantine/notifications": "^4.2.12",
     "@orbisclub/orbis-sdk": "^0.4.88",
     "@rainbow-me/rainbowkit": "^1.1.2",
-    "@synthetixio/synpress": "^3.1.0",
+    "@synthetixio/synpress": "^4.0.3",
     "@tanstack/react-query": "5.17.9",
     "@vercel/analytics": "^1.2.2",
     "ethers": "^6.8.0",