Update hdr.xml

Author: SkewedAskew

romfs/source/fighter/edge/param/hdr.xml

@@ -21,7 +21,7 @@
         <float hash="speed_x_s_stick_y_sub">0.3</float>
         <float hash="speed_y_m">0.01</float>
         <float hash="accel_y_m">1.0</float>
-        <float hash="max_speed_y_m">0.6</float>
+        <float hash="max_speed_y_m">0.5</float>
         <float hash="speed_x_m_stick_y_sub">0.3</float>
     </struct>
     <struct hash="blade_dash">