adapter-kysely: Update kysely for CVE-2026-33468 (#13407)

SQL Injection was found in kysely, update the adapter to use a fixed
version - GHSA-8cpq-38p9-67gx

Author: Mewsse

packages/adapter-kysely/package.json

@@ -38,11 +38,11 @@
     "@auth/core": "workspace:*"
   },
   "peerDependencies": {
-    "kysely": "^0.27.5"
+    "kysely": "^0.28.15"
   },
   "devDependencies": {
     "@types/pg": "^8.6.5",
-    "kysely": "^0.27.5",
+    "kysely": "^0.28.15",
     "libsql": "^0.3.18",
     "mysql2": "^3.9.7",
     "pg": "^8.10.0"