fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-SEROVAL-15054506
- https://snyk.io/vuln/SNYK-JS-SEROVAL-15054520
- https://snyk.io/vuln/SNYK-JS-SEROVAL-15054527
- https://snyk.io/vuln/SNYK-JS-SEROVAL-15054523
- https://snyk.io/vuln/SNYK-JS-SEROVAL-15054525

Author: snyk-bot

package.json

@@ -15,7 +15,7 @@
   "dependencies": {
     "@solidjs/meta": "^0.29.4",
     "@solidjs/router": "^0.14.1",
-    "solid-js": "^1.9.9",
+    "solid-js": "^1.9.11",
     "solid-start": "^0.3.11",
     "undici": "^6.23.0"
   },