Rescue StandardError in v2 BaseApiController

Rescuing from Exception would also catch system-level exceptions, which would likely be taking things too far (e.g. system-level errors like `Interrupt` and
`SystemExit`). StandardError covers all application-level errors while still ensuring clients get consistent JSON responses.

Author: aaronskiba

app/controllers/api/v2/base_api_controller.rb

@@ -19,7 +19,7 @@ class BaseApiController < ApplicationController # rubocop:todo Style/Documentati
       # set up pages in response
       before_action :pagination_params, except: %i[heartbeat]
 
-      rescue_from Exception, with: :handle_exception
+      rescue_from StandardError, with: :handle_exception
 
       # GET /api/v2/heartbeat
       def heartbeat