feat(dates): wire pruneDeadTokens into createDateMatch

functions/src/dates/createDateMatch.ts

@@ -1,5 +1,6 @@
 import * as functions from 'firebase-functions'
 import * as admin from 'firebase-admin'
+import { pruneDeadTokens } from '../notifications/pruneTokens'
 
 /**
  * Fires the "It's a match!" notification when a date match is created.
@@ -60,7 +61,7 @@ async function notifyDateMatch(
   const tokens = await getUserTokens(db, userId)
   if (tokens.length === 0) return
 
-  await Promise.allSettled(
+  const results = await Promise.allSettled(
     tokens.map((token) =>
       admin.messaging().send({
         token,
@@ -77,6 +78,7 @@ async function notifyDateMatch(
       })
     )
   )
+  await pruneDeadTokens(db, userId, tokens, results)
 }
 
 async function getUserTokens(