shorten "Update a PWA" bucket name

Author: mikehoffms

microsoft-edge/progressive-web-apps-chromium/landing/index.yml

@@ -103,7 +103,7 @@ landingContent:
 # Row 2
 # -----------------------------------------------------------------------------
 # Card r2c1
-  - title: Update a PWA, alert with badges, notifications, push messages
+  - title: Update a PWA, show badges, notifications, push messages
     linkLists:
       - linkListType: how-to-guide
         links:

microsoft-edge/toc.yml

@@ -1209,7 +1209,7 @@
             - name: Provide in-app purchases with the Digital Goods API
               href: ./progressive-web-apps-chromium/how-to/digital-goods-api.md
 
-        - name: Update a PWA, alert with badges, notifications, push messages
+        - name: Update a PWA, show badges, notifications, push messages
           items:
             - name: Synchronize and update a PWA in the background
               href: ./progressive-web-apps-chromium/how-to/background-syncs.md