Update ada to 2.7.8 (#3782)

packages/a/ada/xmake.lua

@@ -6,6 +6,7 @@ package("ada")
     set_urls("https://github.com/ada-url/ada/archive/refs/tags/v$(version).tar.gz",
              "https://github.com/ada-url/ada.git")
 
+    add_versions("2.7.8", "8de067b7cb3da1808bf5439279aee6048d761ba246bf8a854c2af73b16b41c75")
     add_versions("2.7.7", "7116d86a80b79886efbc9d946d3919801815060ae62daf78de68c508552af554")
     add_versions("2.7.6", "e2822783913c50b9f5c0f20b5259130a7bdc36e87aba1cc38a5de461fe45288f")
     add_versions("2.3.1", "298992ec0958979090566c7835ea60c14f5330d6372ee092ef6eee1d2e6ac079")