v2.10.1: Aug 25 2022

### Regressions

- Fix xmlCtxtReadDoc with encoding

### Bug fixes

- Fix HTML parser with threads and --without-legacy

### Build system

- Fix build with Python 3.10
- cmake: Disable version script on macOS
- Remove Makefile rule to build testapi.c

### Documentation

- Switch back to HTML output for API documentation
- Port doc/examples/index.py to Python 3
- Fix order of exports in libxml2-api.xml
- Remove libxml2-refs.xml