Auto merge of #44720 - est31:master, r=alexcrichton

Use SHA512 for signatures

Fixes #44714 . Untested but I hope it works... r? @alexcrichton

Author: bors

src/tools/build-manifest/src/main.rs

@@ -452,6 +452,7 @@ impl Builder {
         cmd.arg("--no-tty")
             .arg("--yes")
             .arg("--passphrase-fd").arg("0")
+            .arg("--personal-digest-preferences").arg("SHA512")
             .arg("--armor")
             .arg("--output").arg(&asc)
             .arg("--detach-sign").arg(path)