Allow MIT-0 license in checks (#29748)

Part of #29309

The license is on par with other licenses in the list:
https://github.com/aws/mit-0

Release Notes:

- N/A

script/licenses/zed-licenses.toml

@@ -3,6 +3,7 @@ private = { ignore = true }
 accepted = [
     "Apache-2.0",
     "MIT",
+    "MIT-0",
     "Apache-2.0 WITH LLVM-exception",
     "MPL-2.0",
     "BSD-3-Clause",