Update README.md

We're technically supporting the entire python3 abi, not just specific versions

README.md

@@ -14,7 +14,7 @@ and a package using [pyo3](https://github.com/pyo3/pyo3) will expose the functio
 - 64 bit operating system
 
 ## Published Versions
-We currently build for x86_64 platforms only, Windows, macOS, and Ubuntu, for python versions 3.6 - 3.11.
+We currently build for x86_64 platforms only, Windows, macOS, and Ubuntu, for python versions 3.6 - 3.12.
 
 ## Building
 If for any reason, the published wheels do not match your architecture or if you have a particularly old version of glibc that isn't sufficiently accounted for in our current build matrix, or you just want to build it yourself, the following build instructions should help.