fix(deps): update prisma monorepo to v6.15.0 (#1195)

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

Author: renovate[bot]

package.json

@@ -35,7 +35,7 @@
     "@hono/swagger-ui": "^0.5.0",
     "@hono/zod-openapi": "^1.0.0",
     "@mikuroxina/mini-fn": "^7.0.0",
-    "@prisma/client": "6.14.0",
+    "@prisma/client": "6.15.0",
     "@scalar/hono-api-reference": "^0.9.0",
     "argon2": "^0.44.0",
     "blurhash": "^2.0.5",