Update all json files; make some fixes to make it work at all

etc/api/firebasehosting/v1/firebasehosting-api.json

@@ -186,7 +186,7 @@
             }
         }
     },
-    "revision": "20210315",
+    "revision": "20220212",
     "rootUrl": "https://firebasehosting.googleapis.com/",
     "schemas": {
         "CancelOperationRequest": {

etc/api/firebasehosting/v1beta1/firebasehosting-api.json

@@ -3,10 +3,10 @@
         "oauth2": {
             "scopes": {
                 "https://www.googleapis.com/auth/cloud-platform": {
-                    "description": "View and manage your data across Google Cloud Platform services"
+                    "description": "See, edit, configure, and delete your Google Cloud data and see the email address for your Google Account."
                 },
                 "https://www.googleapis.com/auth/cloud-platform.read-only": {
-                    "description": "View your data across Google Cloud Platform services"
+                    "description": "View your data across Google Cloud services and see the email address of your Google Account"
                 },
                 "https://www.googleapis.com/auth/firebase": {
                     "description": "View and administer all your Firebase data and settings"
@@ -1939,7 +1939,7 @@
             }
         }
     },
-    "revision": "20210315",
+    "revision": "20220212",
     "rootUrl": "https://firebasehosting.googleapis.com/",
     "schemas": {
         "ActingUser": {
@@ -2452,22 +2452,6 @@
             },
             "type": "object"
         },
-        "PreviewConfig": {
-            "description": "Deprecated in favor of [site channels](sites.channels).",
-            "id": "PreviewConfig",
-            "properties": {
-                "active": {
-                    "description": "If true, preview URLs are enabled for this version.",
-                    "type": "boolean"
-                },
-                "expireTime": {
-                    "description": "Indicates the expiration time for previewing this version; preview URL requests received after this time will 404.",
-                    "format": "google-datetime",
-                    "type": "string"
-                }
-            },
-            "type": "object"
-        },
         "Redirect": {
             "description": "A [`Redirect`](https://firebase.google.com/docs/hosting/full-config#redirects) specifies a URL pattern that, if matched to the request URL path, triggers Hosting to respond with a redirect to the specified destination path.",
             "id": "Redirect",
@@ -2766,10 +2750,6 @@
                     "description": "The fully-qualified resource name for the version, in the format: sites/ SITE_ID/versions/VERSION_ID This name is provided in the response body when you call [`CreateVersion`](sites.versions/create).",
                     "type": "string"
                 },
-                "preview": {
-                    "$ref": "PreviewConfig",
-                    "description": "Deprecated in favor of [site channels](sites.channels)."
-                },
                 "status": {
                     "description": "The deploy status of the version. For a successful deploy, call [`CreateVersion`](sites.versions/create) to make a new version (`CREATED` status), [upload all desired files](sites.versions/populateFiles) to the version, then [update](sites.versions/patch) the version to the `FINALIZED` status. Note that if you leave the version in the `CREATED` state for more than 12 hours, the system will automatically mark the version as `ABANDONED`. You can also change the status of a version to `DELETED` by calling [`DeleteVersion`](sites.versions/delete).",
                     "enum": [