chore: release v0.23.3

internal/cat/kenwood_loopback_test.go

@@ -300,6 +300,11 @@ func TestKenwoodSplitFromFRFT(t *testing.T) {
 
 	// Split on, IF still silent about it: receive on A, transmit on B.
 	rig.split = true
+	// The FR/FT split re-check is throttled to once a second (it tripled the poll
+	// time on a slow K3), so back-to-back reads reuse the last result. Simulate the
+	// recheck window having elapsed — in the field the 250 ms poll covers it inside
+	// a second.
+	k.splitCheckAt = time.Time{}
 	if s, err = k.ReadState(); err != nil {
 		t.Fatalf("read: %v", err)
 	}