fix(deps): update dependency @solidjs/start to v1.2.1

Author: renovate[bot]

package.json

@@ -37,7 +37,7 @@
   "dependencies": {
     "@sentry/core": "10.32.1",
     "@solidjs/router": "0.15.4",
-    "@solidjs/start": "1.2.0",
+    "@solidjs/start": "1.2.1",
     "class-variance-authority": "0.7.1",
     "drizzle-orm": "0.45.1",
     "lodash-es": "4.17.22",