Auto-update libsdl to 2.28.0 (#2205)

* Update libsdl to 2.28.0

* Update xmake.lua

Fix hash, looks like there's still a bug in the auto update script

packages/l/libsdl/xmake.lua

@@ -30,6 +30,7 @@ package("libsdl")
     add_versions("archive:2.26.3", "3e46df1eb1be30448cf7c7f3fc0991980f0ef867c2412ab7bc925b631e5dc09c")
     add_versions("archive:2.26.4", "f22fd1410a4b4345f2da679b372629da38f644a686660f1ebadc5e0cb05a7369")
     add_versions("archive:2.26.5", "d88362fc3ee350a037e31381db00df764a294244bac8e427b8c67c6ca4d7e6fd")
+    add_versions("archive:2.28.0", "a3fd9394093e08ae47233353c1efb07b28514fe63d7caed34b7811e8a17e5731")
     add_versions("github:2.0.8",  "release-2.0.8")
     add_versions("github:2.0.12", "release-2.0.12")
     add_versions("github:2.0.14", "release-2.0.14")
@@ -45,6 +46,7 @@ package("libsdl")
     add_versions("github:2.26.3", "release-2.26.3")
     add_versions("github:2.26.4", "release-2.26.4")
     add_versions("github:2.26.5", "release-2.26.5")
+    add_versions("github:2.28.0", "release-2.28.0")
 
     add_deps("cmake")