fix: write server config to telemetry (#13590)

* fix: add external auth configs to telemetry

* Refactor telemetry to send the entire config

* gen

* Fix linting

coderd/apidoc/swagger.json

@@ -8379,12 +8379,6 @@
           "description": "DisplayName is shown in the UI to identify the auth config.",
           "type": "string"
         },
-        "extra_token_keys": {
-          "type": "array",
-          "items": {
-            "type": "string"
-          }
-        },
         "id": {
           "description": "ID is a unique identifier for the auth config.\nIt defaults to `type` when not provided.",
           "type": "string"