fix(deps): update dependency @polar-sh/nextjs to ^0.4.0

Author: renovate[bot]

bun.lockb

@@ -17,7 +17,7 @@
         "@emotion/react": "^11.11.4",
         "@emotion/styled": "^11.11.5",
         "@polar-sh/checkout": "^0.1.8",
-        "@polar-sh/nextjs": "^0.3.15",
+        "@polar-sh/nextjs": "^0.4.0",
         "@polar-sh/sdk": "^0.22.1",
         "@swetrix/nextjs": "^1.0.1",
         "@types/shade-blend-color": "^1.0.3",