Reenable bors gate for macOS

Author: Jonas Schievink

bors.toml

@@ -1,8 +1,9 @@
 status = [
     "Rust (ubuntu-latest)",
     "Rust (windows-latest)",
-    # "Rust (macos-latest)",
+    "Rust (macos-latest)",
     "TypeScript (ubuntu-latest)",
     "TypeScript (windows-latest)",
+    "TypeScript (macos-latest)",
 ]
 delete_merged_branches = true