chore(deps): update dependency typescript-eslint to v8.21.0 (#2977)

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

Author: renovate[bot]

package-lock.json

@@ -49,7 +49,7 @@
     "nyc": "17.1.0",
     "sinon": "19.0.2",
     "typescript": "5.7.2",
-    "typescript-eslint": "8.20.0"
+    "typescript-eslint": "8.21.0"
   },
   "funding": "https://opencollective.com/serialport/donate",
   "changelog": {