chore: fixing some and bringing depdendencies up to date

Signed-off-by: blam <ben@blam.sh>

packages/techdocs-cli/package.json

@@ -38,7 +38,6 @@
     "@types/http-proxy": "^1.17.4",
     "@types/jest": "^26.0.7",
     "@types/node": "^14.14.32",
-    "@types/react-dev-utils": "^9.0.4",
     "@types/serve-handler": "^6.1.0",
     "@types/webpack-env": "^1.15.3",
     "embedded-techdocs-app": "0.2.60",