Rollup merge of #77895 - shepmaster:silicon-manifest, r=pietroalbini

Include aarch64-apple-darwin in the dist manifests

r? @ehuss

/cc @pietroalbini @Mark-Simulacrum

Author: JohnTitor

Diff for: src/tools/build-manifest/src/main.rs

@@ -22,6 +22,7 @@ use std::sync::Mutex;
 use std::time::Instant;
 
 static HOSTS: &[&str] = &[
+    "aarch64-apple-darwin",
     "aarch64-unknown-linux-gnu",
     "aarch64-unknown-linux-musl",
     "arm-unknown-linux-gnueabi",
@@ -55,6 +56,7 @@ static HOSTS: &[&str] = &[
 ];
 
 static TARGETS: &[&str] = &[
+    "aarch64-apple-darwin",
     "aarch64-apple-ios",
     "aarch64-fuchsia",
     "aarch64-linux-android",