Trivial naming fix (docs document interpolation, which is the better name)

trivial_fix.diff

commit 323ad74d1403ae798d248b88b23a40e524aac2dc
Author: Lars Müller <appgurulars@gmx.de>
Date:   Sat May 4 01:58:37 2024 +0200

    Fix wrong name for bone override interpolation field

diff --git a/src/script/lua_api/l_object.cpp b/src/script/lua_api/l_object.cpp
index c78a87317..e21d37176 100644
--- a/src/script/lua_api/l_object.cpp
+++ b/src/script/lua_api/l_object.cpp
@@ -604,7 +604,7 @@ int ObjectRef::l_set_bone_override(lua_State *L)
 		prop.absolute = lua_toboolean(L, -1);
 		lua_pop(L, 1);
 
-		lua_getfield(L, -1, "interpolate");
+		lua_getfield(L, -1, "interpolation");
 		if (lua_isnumber(L, -1))
 			prop.interp_timer = lua_tonumber(L, -1);
 		lua_pop(L, 1);
@@ -655,7 +655,7 @@ static void push_bone_override(lua_State *L, const BoneOverride &props)
 		push_v3f(L, vec);
 		lua_setfield(L, -2, "vec");
 		lua_pushnumber(L, prop.interp_timer);
-		lua_setfield(L, -2, "interpolate");
+		lua_setfield(L, -2, "interpolation");
 		lua_pushboolean(L, prop.absolute);
 		lua_setfield(L, -2, "absolute");
 		lua_setfield(L, -2, name);