Update lzav to 4.5 (#5823)

packages/l/lzav/xmake.lua

@@ -7,6 +7,7 @@ package("lzav")
     add_urls("https://github.com/avaneev/lzav/archive/refs/tags/$(version).tar.gz",
              "https://github.com/avaneev/lzav.git")
 
+    add_versions("4.5", "2323c33c0b44e4ed70f93c04ebd36402c1b399cbe967b4c178d56b1599c71ffe")
     add_versions("4.4", "6b1ea3da59162d5b42a9b1e1b23b21c5caca584a7f55c844c3941e4dd1518cd5")
     add_versions("4.3", "5b5aa7bb44213d36d1954fcff730e887bbdc8d89eba7522cf9ed5cdf8c77f72e")
     add_versions("4.0", "bf125517492b0481b76a6b48cef849270dca406b0781f6f4595928046747ea99")