AVRDUDE v7.2

See Release Notes for changes

1. Supported by avrdude project (same as https://github.com/avrdudes/avrdude/releases/tag/v7.2)
   avr-v7.2-windows-*.zip: official VS2022 build from avrdude project
   avrdude-v7.2.pdf: official document build from avrdude project

2. Supported by me
   avrdude-v7.2_mingw64.zip: unofficial Windows 64bit build by me using MSYS2 mingw64
   avrdude-v7.2_mingw64.zip: unofficial Windows 32bit build by me using MSYS2 mingw32

3. Unsupported, only for testing purpose
   avrdude_v7.2_*.tar.gz: unofficial build using https://github.com/mcuee/avrdude-packing. They are actually using avrdudes@330030e (one commit after the v7.2 release).

4. Unsupported, only for testing purpose
   avrdude_autotools-7.2.tar.gz: unofficial tarball for those who want to use auto-tools