Balance update (#5289)

Dune Rider xp changed from 42 to 47.
Sunderer line dodge on hills changed form 60% to 50%.
Scorcher gold cost changed from 23 to 25.
Dragoon gold cost changed from 27 to 28.
Elvish Rider gold cost changed form 32 to 28.

data/core/units.cfg

@@ -1653,7 +1653,7 @@ The life span of the wose is unknown, although the most ancient members of this
             flat=60
             sand=60
             forest=-70
-            hills=40
+            hills=50
             mountains=60
             village=60
             castle=50

data/core/units/dunefolk/Rider.cfg

@@ -11,7 +11,7 @@ units/dunefolk/rider/#enddef
     hitpoints=34
     movement_type=dunehorse
     movement=8
-    experience=42
+    experience=47
     level=1
     alignment=liminal
     advances_to=Dune Raider,Dune Horse Archer,Dune Sunderer

data/core/units/dunefolk/Scorcher.cfg

@@ -17,7 +17,7 @@ units/dunefolk/burner/#enddef
     level=2
     alignment=lawful
     advances_to=Dune Firetrooper
-    cost=23
+    cost=25
     usage=archer
     description= _ "The scorcher’s moniker is derived not from the destruction they wreak on adversarial formations, but on their own singed appearances. By experimenting endlessly with their equipment, most scorchers inevitably overstep their bounds at some point and are seared by the highly volatile Sanbaar sap that soaks their weapons. Bearing their burns as a mark of pride in their work, these archers relish igniting great swaths of flame on the battlefield, though this sometimes also results in unintended friendly fire."
     die_sound={SOUND_LIST:HUMAN_DIE}

data/core/units/elves/Rider.cfg

@@ -12,7 +12,7 @@
     level=2
     alignment=neutral
     advances_to=Elvish Outrider
-    cost=32
+    cost=28
     undead_variation=mounted
     usage=scout
     #mostly like a foot Elf, but they

data/core/units/humans/Loyalist_Dragoon.cfg

@@ -13,7 +13,7 @@
     alignment=lawful
     advances_to=Cavalier
     undead_variation=mounted
-    cost=27
+    cost=28
     #extra resistance for these units
     usage=scout
     description= _ "The more talented cavalrymen in the armies of Wesnoth are trained in the use of the crossbow, and matched with much more powerful steeds. Well-armored, and skilled in the use of their swords, these soldiers can drive forward and hold the ground they take. Their mobility and resilience make them of great value on the battlefield."