Re-categorizes platform.cloud.coveo.com as Content

Breakage noted: https://bugzilla.mozilla.org/show_bug.cgi?id=1923721, https://bugzilla.mozilla.org/show_bug.cgi?id=1897721

services.json

@@ -4467,7 +4467,6 @@
             "analyticshipaa.cloud.coveo.com",
             "analyticsstg.cloud.coveo.com",
             "platform-eu.cloud.coveo.com",
-            "platform.cloud.coveo.com",
             "usageanalytics.coveo.com",
             "usageanalyticsdev.coveo.com",
             "usageanalyticshipaa.coveo.com"
@@ -10689,6 +10688,7 @@
         "Coveo": {
           "https://coveo.com": [
             "org.coveo.com",
+            "platform.cloud.coveo.com",
             "static.cloud.coveo.com"
           ]
         }