chore: allow Unicode-3.0 in cargo deny (#115)

Author: stormslowly

deny.toml

@@ -92,7 +92,8 @@ allow = [
     "MIT",
     "Apache-2.0",
     "Unicode-DFS-2016",
-    "BSD-2-Clause"
+    "BSD-2-Clause",
+    "Unicode-3.0"
     #"Apache-2.0 WITH LLVM-exception",
 ]
 # The confidence threshold for detecting a license from license text.