Update zulipchat.com emails to zulip.com.

Signed-off-by: Anders Kaseorg <anders@zulip.com>

app/renderer/js/feedback.ts

@@ -24,7 +24,7 @@ sendFeedback.buttonLabel = 'Report Issue';
 sendFeedback.loaderSuccessText = '';
 
 sendFeedback.useReporter('emailReporter', {
-	email: 'support@zulipchat.com'
+	email: 'support@zulip.com'
 });
 
 feedbackHolder.addEventListener('click', (event: Event) => {

package.json

@@ -8,7 +8,7 @@
   "copyright": "Kandra Labs, Inc.",
   "author": {
     "name": "Kandra Labs, Inc.",
-    "email": "support@zulipchat.com"
+    "email": "support@zulip.com"
   },
   "repository": {
     "type": "git",
@@ -77,7 +77,7 @@
         "AppImage",
         "snap"
       ],
-      "maintainer": "Akash Nimare <akash@zulipchat.com>",
+      "maintainer": "Akash Nimare <akash@zulip.com>",
       "artifactName": "${productName}-${version}-${arch}.${ext}"
     },
     "deb": {