imgui-sfml: add version v2.6 (#5148)

packages/i/imgui-sfml/xmake.lua

@@ -1,15 +1,15 @@
 package("imgui-sfml")
-
     set_homepage("https://github.com/eliasdaler/imgui-sfml")
     set_description("Dear ImGui binding for use with SFML")
 
     add_urls("https://github.com/eliasdaler/imgui-sfml/archive/refs/tags/$(version).tar.gz",
              "https://github.com/eliasdaler/imgui-sfml.git")
 
+    add_versions("v2.6", "b1195ca1210dd46c8049cfc8cae7f31cd34f1591da7de1c56297b277ac9c5cc0")
     add_versions("v2.5", "3775c9303f656297f2392e91ffae2021e874ee319b4139c60076d6f757ede109")
 
     add_deps("cmake")
-    add_deps("imgui 1.80")
+    add_deps("imgui")
     add_deps("opengl", {optional = true})
 
     if is_plat("windows", "mingw") then
@@ -32,7 +32,7 @@ package("imgui-sfml")
     on_install("macosx", "linux", "windows", "mingw", function (package)
         io.writefile("xmake.lua", [[
             add_rules("mode.release", "mode.debug")
-            add_requires("imgui 1.80")
+            add_requires("imgui")
             if is_plat("linux") and is_kind("shared") then
                 add_requires("sfml", {configs = {shared = true}})
             else