Allow the workflow to be called by the user

This will allow me to run the tests from my branch before merging into main.

Signed-off-by: Dimitri Gnidash <[email protected]>

Author: dimitri-tenstorrent

.github/workflows/hardware-long.yml

@@ -4,6 +4,7 @@ name: Hardware Long Tests
 on:
   schedule:
     - cron: "0 0 * * *"
+  workflow_dispatch:
 
 jobs:
   hardware-metal-test: