Sanity-check nozzle park point (#17621)

Marlin/src/inc/SanityCheck.h

 #if ENABLED(NOZZLE_PARK_FEATURE)
   constexpr float npp[] = NOZZLE_PARK_POINT;
   static_assert(COUNT(npp) == XYZ, "NOZZLE_PARK_POINT requires X, Y, and Z values.");
+  constexpr xyz_pos_t npp_xyz = NOZZLE_PARK_POINT;
+  static_assert(WITHIN(npp_xyz.x, X_MIN_POS, X_MAX_POS), "NOZZLE_PARK_POINT.X is out of bounds (X_MIN_POS, X_MAX_POS).");
+  static_assert(WITHIN(npp_xyz.y, Y_MIN_POS, Y_MAX_POS), "NOZZLE_PARK_POINT.Y is out of bounds (Y_MIN_POS, Y_MAX_POS).");
+  static_assert(WITHIN(npp_xyz.z, Z_MIN_POS, Z_MAX_POS), "NOZZLE_PARK_POINT.Z is out of bounds (Z_MIN_POS, Z_MAX_POS).");
 #endif
 
 /**