ci: Fix build names

Author: jpmckinney

.github/workflows/release.yml

@@ -47,7 +47,7 @@ jobs:
             command: cross
           # 64-bit (ARM)
           # aarch64-pc-windows-gnullvm is Tier 3.
-          - build: macos-64-bit
+          - build: macos-arm
             os: macos-latest
             target: aarch64-apple-darwin
             command: cargo