fix(docker): use explicit tsconfig in db package build

tsc without --project traverses up to workspace root, which has a
different tsconfig.json that lacks package-local paths. Fix both
@groombook/types and @groombook/db scripts consistently.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

packages/db/package.json

@@ -16,7 +16,7 @@
     }
   },
   "scripts": {
-    "build": "tsc",
+    "build": "tsc --project .",
     "generate": "drizzle-kit generate",
     "migrate": "drizzle-kit migrate",
     "seed": "tsx src/seed.ts",