Update Slovak language. (#13840)

Marlin/src/lcd/language/language_sk.h

 #define MSG_PREHEAT_2_END                   MSG_PREHEAT_2 _UxGT(" hotend")
 #define MSG_PREHEAT_2_BEDONLY               MSG_PREHEAT_2 _UxGT(" podlož")
 #define MSG_PREHEAT_2_SETTINGS              MSG_PREHEAT_2 _UxGT(" nast.")
-#define MSG_PREHEAT_CUSTOM                  _UxGT("Vlastné zahriatie")
+#define MSG_PREHEAT_CUSTOM                  _UxGT("Vlastná teplota")
 #define MSG_COOLDOWN                        _UxGT("Schladiť")
 #define MSG_LASER_MENU                      _UxGT("Nastavenie lasera")
 #define MSG_LASER_OFF                       _UxGT("Vypnúť laser")
 #define MSG_AMAX                            _UxGT("Amax ")
 #define MSG_A_RETRACT                       _UxGT("A-retrakt")
 #define MSG_A_TRAVEL                        _UxGT("A-prejazd")
-#define MSG_STEPS_PER_MM                    _UxGT("Krokov/mm")
+#define MSG_STEPS_PER_MM                    _UxGT("Kroky/mm")
 #if IS_KINEMATIC
   #define MSG_ASTEPS                        _UxGT("Akrokov/mm")
   #define MSG_BSTEPS                        _UxGT("Bkrokov/mm")
 #define MSG_PREPARE                         _UxGT("Príprava tlače")
 #define MSG_TUNE                            _UxGT("Doladenie tlače")
 #define MSG_START_PRINT                     _UxGT("Spustiť tlač")
+#define MSG_BUTTON_NEXT                     _UxGT("Ďalší")
+#define MSG_BUTTON_INIT                     _UxGT("Inicial.")
+#define MSG_BUTTON_STOP                     _UxGT("Zastaviť")
 #define MSG_BUTTON_PRINT                    _UxGT("Tlačiť")
+#define MSG_BUTTON_RESET                    _UxGT("Vynulovať")
 #define MSG_BUTTON_CANCEL                   _UxGT("Zrušiť")
+#define MSG_BUTTON_DONE                     _UxGT("Hotovo")
 #define MSG_PAUSE_PRINT                     _UxGT("Pozastaviť tlač")
 #define MSG_RESUME_PRINT                    _UxGT("Obnoviť tlač")
 #define MSG_STOP_PRINT                      _UxGT("Zastaviť tlač")
 #define MSG_ENDSTOP_ABORT                   _UxGT("Zastavenie Endstop")
 #define MSG_HEATING_FAILED_LCD              _UxGT("Chyba ohrevu")
 #define MSG_HEATING_FAILED_LCD_BED          _UxGT("Chyba ohrevu podl.")
+#define MSG_HEATING_FAILED_LCD_CHAMBER      _UxGT("Chyba ohrevu komory")
 #define MSG_ERR_REDUNDANT_TEMP              _UxGT("Chyba: REDUND. TEP.")
 #define MSG_THERMAL_RUNAWAY                 _UxGT("TEPLOTNÝ SKOK")
 #define MSG_THERMAL_RUNAWAY_BED             _UxGT("TEPLOTNÝ SKOK PODL.")
+#define MSG_THERMAL_RUNAWAY_CHAMBER         _UxGT("TEPLOTNÝ SKOK KOMO.")
 #define MSG_ERR_MAXTEMP                     _UxGT("Chyba: MAXTEMP")
 #define MSG_ERR_MINTEMP                     _UxGT("Chyba: MINTEMP")
 #define MSG_ERR_MAXTEMP_BED                 _UxGT("Chyba: MAXTEMP PODL.")
 #define MSG_ERR_MINTEMP_CHAMBER             _UxGT("Chyba: MINTEMP KOMO.")
 #define MSG_ERR_Z_HOMING                    MSG_HOME _UxGT(" ") MSG_X MSG_Y _UxGT(" ") MSG_FIRST
 #define MSG_HALTED                          _UxGT("TLAČIAREŇ ZASTAVENÁ")
-#define MSG_PLEASE_RESET                    _UxGT("Spravte reset")
+#define MSG_PLEASE_RESET                    _UxGT("Reštartuje ju")
 #define MSG_SHORT_DAY                       _UxGT("d")
 #define MSG_SHORT_HOUR                      _UxGT("h")
 #define MSG_SHORT_MINUTE                    _UxGT("m")
 #define MSG_START_VTOOL                     _UxGT("Počiat. V-tool")
 #define MSG_END_VTOOL                       _UxGT("Konečn. V-tool")
 #define MSG_GRADIENT_ALIAS                  _UxGT("Alias V-tool")
-#define MSG_RESET_VTOOLS                    _UxGT("Resetovať V-tools")
+#define MSG_RESET_VTOOLS                    _UxGT("Vynulovať V-tools")
 #define MSG_COMMIT_VTOOL                    _UxGT("Uložiť V-tool Mix")
-#define MSG_VTOOLS_RESET                    _UxGT("V-tools resetované")
+#define MSG_VTOOLS_RESET                    _UxGT("V-tools vynulované")
 #define MSG_START_Z                         _UxGT("Počiat.Z")
 #define MSG_END_Z                           _UxGT("Konečn.Z")
 #define MSG_BRICKOUT                        _UxGT("Brickout")
   #define MSG_FILAMENT_CHANGE_RESUME_2      _UxGT("obnovenie tlače...")
 #else // LCD_HEIGHT < 4
   #define MSG_ADVANCED_PAUSE_WAITING_1      _UxGT("Kliknite pre pokr.")
+  #define MSG_PAUSE_PRINT_INIT_1            _UxGT("Parkovanie...")
   #define MSG_FILAMENT_CHANGE_INIT_1        _UxGT("Čakajte prosím...")
   #define MSG_FILAMENT_CHANGE_INSERT_1      _UxGT("Vložte a kliknite")
   #define MSG_FILAMENT_CHANGE_HEAT_1        _UxGT("Kliknite pre ohrev")