Perform extension packaging in extension-cli (#9549)

Release Notes:

- N/A

---------

Co-authored-by: Marshall <marshall@zed.dev>

extensions/gleam/extension.toml

@@ -3,6 +3,7 @@ name = "Gleam"
 description = "Gleam support for Zed"
 version = "0.0.1"
 authors = ["Marshall Bowers <elliott.codes@gmail.com>"]
+repository = "https://github.com/zed-industries/zed"
 
 [language_servers.gleam]
 name = "Gleam LSP"

extensions/uiua/extension.toml

@@ -3,6 +3,7 @@ name = "Uiua"
 description = "Uiua support for Zed"
 version = "0.0.1"
 authors = ["Max Brunsfeld <max@zed.dev>"]
+repository = "https://github.com/zed-industries/zed"
 
 [language_servers.uiua]
 name = "Uiua LSP"