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

Author: Urgau

triagebot.toml

@@ -1425,3 +1425,12 @@ compiletest = [
 
 [behind-upstream]
 days-threshold = 14
+
+# Canonicalize issue numbers to avoid closing the wrong issue
+# when commits are included in subtrees, as well as warning links in commits.
+# Documentation at: https://forge.rust-lang.org/triagebot/issue-links.html
+[issue-links]
+
+# Prevents mentions in commits to avoid users being spammed
+# Documentation at: https://forge.rust-lang.org/triagebot/no-mentions.html
+[no-mentions]