Auto-update mimalloc to v3.0.3 (#6943)

* Update mimalloc to v3.0.3

* Update xmake.lua

---------

Co-authored-by: star9029 <[email protected]>

packages/m/mimalloc/xmake.lua

@@ -7,6 +7,7 @@ package("mimalloc")
              "https://github.com/microsoft/mimalloc.git")
 
     add_versions("v3.1.5", "3cf724ec469198f23505d157893331f9d062e982c38b2c92a7fb789d7ddb67d9")
+    add_versions("v3.0.3", "08a917e331164cd77052377f1e6d86de7febc8663dc117648319e662c0d4e6a4")
 
     add_versions("v2.2.4", "664667a48c9f101d979bbe4e41ee631da49d2024e30d66b7779b6ba4279af367")
     add_versions("v2.1.7", "fa61cf01e3dd869b35275bfd8be95bfde77f0b65dfa7e34012c09a66e1ea463f")