Enable [canonicalize-issue-links] and [no-mentions] in triagebot

Author: Urgau

triagebot.toml

@@ -21,3 +21,9 @@ exclude_titles = [ # exclude syncs from subtree in rust-lang/rust
 labels = ["has-merge-commits", "S-waiting-on-author"]
 
 [transfer]
+
+# Canonicalize issue numbers to avoid closing the wrong issue when upstreaming this subtree
+[canonicalize-issue-links]
+
+# Prevents mentions in commits to avoid users being spammed
+[no-mentions]