add matklad to cargo team alumni

matklad · Mark-Simulacrum · commit 094e155d4c83 · 2023-08-29T20:38:17.000-04:00
See https://internals.rust-lang.org/t/cargo-team-changes/8651
diff --git a/teams/cargo.toml b/teams/cargo.toml
@@ -18,6 +18,7 @@ alumni = [
     "dwijnand",
     "wycats",
     "withoutboats",
+    "matklad",
 ]
 
 [permissions]
