fix private scoped packages without dedicated auth

test.js

@@ -53,6 +53,11 @@ async function main() {
         new: "5.0.0-beta.6",
         info: "https://github.com/styled-components/styled-components",
       },
+      "@babel/preset-env": {
+        old: "7.0.0",
+        new: "7.4.5",
+        info: "https://babeljs.io/",
+      }
     }
   });
 
@@ -88,6 +93,11 @@ async function main() {
         new: "5.0.0-beta.6",
         info: "https://github.com/styled-components/styled-components",
       },
+      "@babel/preset-env": {
+        old: "7.0.0",
+        new: "7.4.5",
+        info: "https://babeljs.io/",
+      }
     }
   });
 
@@ -128,6 +138,11 @@ async function main() {
         new: "5.0.0-beta.6",
         info: "https://github.com/styled-components/styled-components",
       },
+      "@babel/preset-env": {
+        old: "7.0.0",
+        new: "7.4.5",
+        info: "https://babeljs.io/",
+      }
     }
   });
 
@@ -168,6 +183,11 @@ async function main() {
         new: "4.3.2",
         info: "https://github.com/styled-components/styled-components",
       },
+      "@babel/preset-env": {
+        old: "7.0.0",
+        new: "7.4.5",
+        info: "https://babeljs.io/",
+      }
     }
   });
 

test.json

@@ -6,6 +6,7 @@
     "html-webpack-plugin": "4.0.0-alpha.2",
     "noty": "3.1.0",
     "jpeg-buffer-orientation": "0.0.0",
-    "styled-components": "2.5.0-1"
+    "styled-components": "2.5.0-1",
+    "@babel/preset-env": "7.0.0"
   }
 }

updates.js

@@ -215,6 +215,8 @@ function getAuthAndRegistry(name, registry) {
             registry = url;
           }
         } catch (err) {}
+      } else {
+        auth = registryAuthToken(registry);
       }
     }
   } catch (err) {