increased zSed range limit to 25 km

src/main/java/gov/usgs/earthquake/nshmp/calc/Site.java

@@ -80,8 +80,8 @@ public class Site {
    */
   public static final double ZSED_DEFAULT = Double.NaN;
 
-  /** Supported {@link #zSed()} values: {@code [0..20] km}. */
-  public static final Range<Double> ZSED_RANGE = Range.closed(0.0, 20.0);
+  /** Supported {@link #zSed()} values: {@code [0..25] km}. */
+  public static final Range<Double> ZSED_RANGE = Range.closed(0.0, 25.0);
 
   private final String name;
   private final Location location;