docs: filter information

Author: Ma11hewThomas

README.md

@@ -417,8 +417,8 @@ current workflow and job names:
 
 Filtering is applied as follows:
 
-- Runs from the same branch for events of type push and schedule from the same
-  workflow id
+- Runs from the same branch for events of type push, schedule and
+  workflow_dispatch from the same workflow id
 - Runs from the same pull request for events of type pull_request from the same
   workflow id