update aha keyword (trufflesecurity#3281)

pkg/detectors/aha/aha.go

@@ -31,7 +31,7 @@ var (
 // Keywords are used for efficiently pre-filtering chunks.
 // Use identifiers in the secret preferably, or the provider name.
 func (s Scanner) Keywords() []string {
-	return []string{"aha"}
+	return []string{"aha.io"}
 }
 
 func (s Scanner) getClient() *http.Client {