chore: update ada/idna (#373)

* chore: update ada/idna

* docs: update readme license section

Author: anonrig

README.md

@@ -157,6 +157,7 @@ You may amalgamate all source files into only two files (`ada.h` and `ada.cpp`)
 
 ### License
 
-This code is made available under the Apache License 2.0 as well as the MIT license. For unicode processing, we rely on a few functions from UniLib which are licensed under the Mozilla Public License v.2.0.
+This code is made available under the Apache License 2.0 as well as the MIT license. 
 
-Our tests include third-party code and data. The benchmarking code includes third-party code: it is provided for research purposes only and not part of the library.
+Our tests include third-party code and data. The benchmarking code includes third-party code: 
+it is provided for research purposes only and not part of the library.

include/ada/ada_idna.h

@@ -1,4 +1,4 @@
-/* auto-generated on 2023-04-26 14:14:42 -0400. Do not edit! */
+/* auto-generated on 2023-05-07 19:12:14 -0400. Do not edit! */
 /* begin file include/idna.h */
 #ifndef ADA_IDNA_H
 #define ADA_IDNA_H