docs(sdk): correct PublicTokenPermissions session scope docstring

Author: ericallam

packages/trigger-sdk/src/v3/auth.ts

@@ -74,8 +74,7 @@ type PublicTokenPermissionProperties = {
    *
    * `read:sessions:{id}` lets the bearer read both the `.out` and `.in`
    * channels and list runs on the session. `write:sessions:{id}` lets the
-   * bearer append to the session's channels. `trigger:sessions:{id}` permits
-   * triggering new runs on the session.
+   * bearer append to the session's channels and create new runs against it.
    */
   sessions?: string | string[];
 };