chore: fix fields in migration meta data

PR-URL: #9886
Reviewed-by: Athan Reines <kgryte@gmail.com>
Co-authored-by: stdlib-bot <noreply@stdlib.io>

Author: Om-A-osc

docs/migration-guides/tfjs/package.json

@@ -16,7 +16,8 @@
   ],
   "main": "./package.json",
   "directories": {
-    "benchmark": "./benchmark"
+    "benchmark": "./benchmark",
+    "data": "./data"
   },
   "scripts": {
     "bench": "make benchmark"
@@ -33,6 +34,7 @@
     "@tensorflow/tfjs": "^4.20.0",
     "@tensorflow/tfjs-node": "^4.20.0"
   },
+  "devDependencies": {},
   "engines": {},
   "os": [
     "aix",