fix sec vulnerability for bodypix (#594)

Author: pyu10055

body-pix/demos/package.json

@@ -35,8 +35,8 @@
     "clang-format": "~1.2.2",
     "cross-env": "^5.2.0",
     "dat.gui": "~0.7.2",
-    "eslint": "~4.19.1",
-    "eslint-config-google": "~0.9.1",
+    "eslint": "~7.20.0",
+    "eslint-config-google": "~0.14.0",
     "parcel-bundler": "~1.12.3",
     "yalc": "~1.0.0-pre.23"
   },