Add api.appcues.com to yellowlist

Fix the Tempo time-tracking plugin for Jira, maybe.

Author: ghostwords

src/data/pbconfig.json

@@ -350,6 +350,7 @@
         "interactives.ap.org",
         "apata.io",
         "appconsent.io",
+        "api.appcues.com",
         "fast.appcues.com",
         "apple.com",
         "appspot.com",