Allocate sufficient MSG_MOVE_Z_DIST buffer

See #19158

Marlin/src/lcd/menu/menu_motion.cpp

     SUBMENU(MSG_MOVE_1MM,  []{ _goto_manual_move( 1);    });
     SUBMENU(MSG_MOVE_01MM, []{ _goto_manual_move( 0.1f); });
     if (axis == Z_AXIS && (SHORT_MANUAL_Z_MOVE) > 0.0f && (SHORT_MANUAL_Z_MOVE) < 0.1f) {
-      char tmp[20], numstr[10];
       // Determine digits needed right of decimal
-      const uint8_t digs = !UNEAR_ZERO((SHORT_MANUAL_Z_MOVE) * 1000 - int((SHORT_MANUAL_Z_MOVE) * 1000)) ? 4 :
-                           !UNEAR_ZERO((SHORT_MANUAL_Z_MOVE) *  100 - int((SHORT_MANUAL_Z_MOVE) *  100)) ? 3 : 2;
-      sprintf_P(tmp, GET_TEXT(MSG_MOVE_Z_DIST), dtostrf(SHORT_MANUAL_Z_MOVE, 1, digs, numstr));
+      constexpr uint8_t digs = !UNEAR_ZERO((SHORT_MANUAL_Z_MOVE) * 1000 - int((SHORT_MANUAL_Z_MOVE) * 1000)) ? 4 :
+                               !UNEAR_ZERO((SHORT_MANUAL_Z_MOVE) *  100 - int((SHORT_MANUAL_Z_MOVE) *  100)) ? 3 : 2;
+      PGM_P const label = GET_TEXT(MSG_MOVE_Z_DIST);
+      char tmp[strlen_P(label) + 10 + 1], numstr[10];
+      sprintf_P(tmp, label, dtostrf(SHORT_MANUAL_Z_MOVE, 1, digs, numstr));
 
       #if DISABLED(HAS_GRAPHICAL_TFT)
         extern const char NUL_STR[];