Unrolled build for rust-lang#138061

Rollup merge of rust-lang#138061 - jieyouxu:target-reviewers, r=wesleywiser

triagebot: add a `compiler_leads` ad-hoc group

Intended for e.g. rolling reviewers for [adding new targets](https://forge.rust-lang.org/compiler/proposals-and-stabilization.html#targets).

rust-lang/rust-forge side doc update: rust-lang/rust-forge#815

r? ghost (for testing)

cc ``@davidtwco`` or ``@wesleywiser``

Author: rust-timer

triagebot.toml

@@ -1090,6 +1090,10 @@ title = "[stable"
 branch = "stable"
 
 [assign.adhoc_groups]
+compiler_leads = [
+    "@davidtwco",
+    "@wesleywiser",
+]
 compiler = [
     "@BoxyUwU",
     "@cjgillot",