attempt to fix macos builds with newer setup-python

.github/workflows/publish.yml

@@ -8,7 +8,7 @@ on:
 
 jobs:
   macos:
-    runs-on: macos-13
+    runs-on: macos-latest
     strategy:
       matrix:
         python_version: ['3.7', '3.8', '3.9', '3.10', '3.11']

src/lib.rs

@@ -1,4 +1,3 @@
-#![allow(unexpected_cfgs)]
 #![deny(clippy::all, nonstandard_style, rust_2018_idioms, unused, warnings)]
 
 use self::{