linalg: fix checksum (#5441)

* Update xmake.lua

Change the hash to lower case to avoid unmached checksum error.

* remove limit

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Co-authored-by: star9029 <hengxings783@gmail.com>

packages/l/linalg/xmake.lua

@@ -7,9 +7,9 @@ package("linalg")
     add_urls("https://github.com/sgorsten/linalg/archive/refs/tags/$(version).tar.gz",
              "https://github.com/sgorsten/linalg.git")
 
-    add_versions("v2.2", "28640228988186EDAF7729177BFAB4C91170B303AD489407A4228CEB55A73EC2")
+    add_versions("v2.2", "28640228988186edaf7729177bfab4c91170b303ad489407a4228ceb55a73ec2")
 
-    on_install("windows", "linux", "macosx", function (package)
+    on_install(function (package)
         os.cp("linalg.h", package:installdir("include"))
     end)