Increment planned removal milestone for BuiltinCertificateVerifierEnabled policy on macOS.

Stable rollout is targeting M88 now, update ending milestone to match.

Change-Id: Iec905a97847df21bbaa8d19b22051643d79919d9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2624152
Auto-Submit: Matt Mueller <mattm@chromium.org>
Commit-Queue: Pavol Marko <pmarko@chromium.org>
Reviewed-by: Pavol Marko <pmarko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#843076}

components/policy/resources/policy_templates.json

@@ -8832,7 +8832,7 @@
 
       This policy is planned to be removed in <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> for Linux version 83, when support for the legacy certificate verifier on Linux is planned to be removed.
 
-      This policy is planned to be removed in <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> for Mac OS X version 91, when support for the legacy certificate verifier on Mac OS X is planned to be removed.
+      This policy is planned to be removed in <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> for Mac OS X version 92, when support for the legacy certificate verifier on Mac OS X is planned to be removed.
       ''',
     },
     {