fix(deps): update dependency @libsql/client to v0.15.15 (#8349)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

databases/turso/package.json

@@ -16,7 +16,7 @@
     "typescript": "5.8.2"
   },
   "dependencies": {
-    "@libsql/client": "0.15.14",
+    "@libsql/client": "0.15.15",
     "@prisma/adapter-libsql": "6.9.0",
     "@prisma/client": "6.9.0",
     "dotenv": "16.6.1"