Disallow dependency cycles (#13442)

packages/babel-helper-hoist-variables/package.json

@@ -13,11 +13,13 @@
     "access": "public"
   },
   "main": "./lib/index.js",
-  "TODO": "The @babel/traverse dependency is only needed for the NodePath TS type. After converting @babel/core to TS we can import NodePath from there.",
   "dependencies": {
-    "@babel/traverse": "workspace:^7.13.15",
     "@babel/types": "workspace:^7.13.16"
   },
+  "TODO": "The @babel/traverse dependency is only needed for the NodePath TS type. We can consider exporting it from @babel/core.",
+  "devDependencies": {
+    "@babel/traverse": "workspace:*"
+  },
   "engines": {
     "node": ">=6.9.0"
   },