[NTP] Extend expired flags

Change-Id: If991b582320b2020c85701a756a57ef14e29a0e0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3335588
Commit-Queue: Mohamad Ahmadi <mahmadi@chromium.org>
Auto-Submit: Mohamad Ahmadi <mahmadi@chromium.org>
Reviewed-by: Rebekah Potter <rbpotter@chromium.org>
Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Cr-Commit-Position: refs/heads/main@{#951256}

chrome/browser/flag-metadata.json

@@ -3971,7 +3971,7 @@
   {
     "name": "ntp-cache-one-google-bar",
     "owners": [ "aee", "mahmadi", "tiborg" ],
-    "expiry_milestone": 92
+    "expiry_milestone": 100
   },
   {
     "name": "ntp-chrome-cart-module",
@@ -4036,7 +4036,7 @@
   {
     "name": "ntp-shopping-tasks-module",
     "owners": [ "mahmadi", "tiborg" ],
-    "expiry_milestone": 96
+    "expiry_milestone": 100
   },
   {
     "name": "ntp-view-hierarchy-repair",