jom: add mirror (#5043)

packages/j/jom/xmake.lua

@@ -4,9 +4,10 @@ package("jom")
     set_description("the parallel make tool for Windows.")
     set_license("GPL")
 
-    add_urls("https://download.qt.io/official_releases/jom/jom_$(version).zip", {version = function (version)
-        return version:gsub("%.", "_")
-    end})
+    add_urls("https://download.qt.io/official_releases/jom/jom_$(version).zip",
+    "https://mirrors.ocf.berkeley.edu/qt/official_releases/jom/jom_$(version).zip",
+    "https://mirrors.ukfast.co.uk/sites/qt.io/official_releases/jom/jom_$(version).zip",
+    {version = function (version) return version:gsub("%.", "_") end})
 
     add_versions("1.1.4", "d533c1ef49214229681e90196ed2094691e8c4a0a0bef0b2c901debcb562682b")
     add_versions("1.1.3", "128fdd846fe24f8594eed37d1d8929a0ea78df563537c0c1b1861a635013fff8")