Correct spelling (#36783)

I was testing typos-cli and fixed some misspelled wording here.
All changes are internal — no public API fields, database columns,
locale keys, or migration names are affected.

modules/actions/workflows_test.go

@@ -190,7 +190,7 @@ func TestDetectMatched(t *testing.T) {
 			expected:     true,
 		},
 		{
-			desc:         "HookEventSchedue(schedule) matches GithubEventSchedule(schedule)",
+			desc:         "HookEventSchedule(schedule) matches GithubEventSchedule(schedule)",
 			triggedEvent: webhook_module.HookEventSchedule,
 			payload:      nil,
 			yamlOn:       "on: schedule",