For #21313: Renew metrics for December - never expire updates (#21788)

* For #21313: Renew metrics for December - never expire updates

* For #21313: data review

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

app/metrics.yaml

@@ -2145,11 +2145,13 @@ activation:
       - https://github.com/mozilla-mobile/fenix/pull/13958#issuecomment-676857877
       - https://github.com/mozilla-mobile/fenix/pull/18143
       - https://github.com/mozilla-mobile/fenix/pull/19924#issuecomment-861423789
+      - https://github.com/mozilla-mobile/fenix/pull/21788#issuecomment-950022224
     data_sensitivity:
       - highly_sensitive
     notification_emails:
       - android-probes@mozilla.com
-    expires: "2021-12-01"
+      - erichards@mozilla.com
+    expires: never
   activation_id:
     type: uuid
     lifetime: user
@@ -2166,11 +2168,13 @@ activation:
       - https://github.com/mozilla-mobile/fenix/pull/13958#issuecomment-676857877
       - https://github.com/mozilla-mobile/fenix/pull/18143
       - https://github.com/mozilla-mobile/fenix/pull/19924#issuecomment-861423789
+      - https://github.com/mozilla-mobile/fenix/pull/21788#issuecomment-950022224
     data_sensitivity:
       - highly_sensitive
     notification_emails:
       - android-probes@mozilla.com
-    expires: "2021-12-01"
+      - erichards@mozilla.com
+    expires: never
     no_lint:
       - USER_LIFETIME_EXPIRATION
 
@@ -4386,11 +4390,13 @@ addons:
       - https://github.com/mozilla-mobile/fenix/pull/13958#issuecomment-676857877
       - https://github.com/mozilla-mobile/fenix/pull/18143
       - https://github.com/mozilla-mobile/fenix/pull/19924#issuecomment-861423789
+      - https://github.com/mozilla-mobile/fenix/pull/21788#issuecomment-950022224
     data_sensitivity:
       - interaction
     notification_emails:
       - android-probes@mozilla.com
-    expires: "2021-12-01"
+      - erichards@mozilla.com
+    expires: never
   enabled_addons:
     type: string_list
     description: |