Update eigen to 3.3.8

packages/e/eigen/xmake.lua

@@ -5,6 +5,7 @@ package("eigen")
 
     add_urls("https://gitlab.com/libeigen/eigen/-/archive/$(version)/eigen-$(version).tar.bz2",
              "https://gitlab.com/libeigen/eigen")
+    add_versions("3.3.8", "0215c6593c4ee9f1f7f28238c4e8995584ebf3b556e9dbf933d84feb98d5b9ef")
     add_versions("3.3.7", "685adf14bd8e9c015b78097c1dc22f2f01343756f196acdc76a678e1ae352e11")
 
     add_deps("cmake")