ci: action: Add dispatch

Signed-off-by: Patrick José Pereira <[email protected]>

.github/workflows/action.yml

@@ -1,6 +1,9 @@
 name: Test all targets
 
-on: [push, pull_request]
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
 
 permissions:
   contents: write