Move more strings to PROGMEM

Marlin/src/feature/dac/stepper_dac.cpp

@@ -114,7 +114,7 @@ void dac_print_values() {
   SERIAL_ECHOPAIR(" (",   dac_amps(Z_AXIS));
   SERIAL_ECHOPAIR(") E:", dac_perc(E_AXIS));
   SERIAL_ECHOPAIR(" (",   dac_amps(E_AXIS));
-  SERIAL_ECHOLN(")");
+  SERIAL_ECHOLNPGM(")");
 }
 
 void dac_commit_eeprom() {