fix(logging): replace password in auth gotOptions (#4108)

lib/logger/err-serializer.js

@@ -15,7 +15,14 @@ export default function errSerializer(err) {
   if (err.stack) {
     response.stack = err.stack;
   }
-  if (err.gotOptions && err.gotOptions.headers) {
+  if (response.gotOptions) {
+    if (is.string(response.gotOptions.auth)) {
+      response.gotOptions.auth = response.gotOptions.auth.replace(
+        /:.*/,
+        ':***********'
+      );
+    }
+    if (err.gotOptions.headers) {
       const redactedHeaders = [
         'authorization',
         'private-header',
@@ -27,6 +34,7 @@ export default function errSerializer(err) {
         }
       });
     }
+  }
   const redactedFields = ['message', 'stack', 'stdout', 'stderr'];
   for (const field of redactedFields) {
     if (is.string(response[field])) {

test/logger/__snapshots__/err-serializer.spec.js.snap

@@ -6,6 +6,7 @@ Object {
   "b": 2,
   "body": "some response body",
   "gotOptions": Object {
+    "auth": "test:***********",
     "headers": Object {
       "authorization": "** redacted **",
     },

test/logger/err-serializer.spec.js

@@ -13,6 +13,7 @@ describe('logger/err-serializer', () => {
         headers: {
           authorization: 'Bearer abc',
         },
+        auth: 'test:token',
       },
     };
     expect(configSerializer(err)).toMatchSnapshot();