fix(registry): treat registry cache as "private" -- bumps m-f-h

Author: zkat

package.json

@@ -45,7 +45,7 @@
     "cacache": "^7.0.3",
     "glob": "^7.1.1",
     "lru-cache": "^4.0.2",
-    "make-fetch-happen": "^2.1.0",
+    "make-fetch-happen": "^2.2.0",
     "minimatch": "^3.0.3",
     "mississippi": "^1.2.0",
     "normalize-git-url": "^3.0.2",