Ventoy 1.0.71 release

1. VTOY_DEFAULT_IMAGE can be set to F2> to automatically enter F2 browser mode.
2. Fix the bug when booting FreeBSD 13.0 in F2 browser mode.
3. Auto use memdisk mode for Memtest86+ and KolibriOS iso file.
4. Support Easy Recovery Essentials for Win10/Win11.
5. Suppress Fn hotkey when VTOY_DEFAULT_IMAGE is set to Fn>.
6. New ISO support (total 830+)

See https://www.ventoy.net/en/doc_news.html for more details.

SHA-256

ventoy-1.0.71-windows.zip:     d35a34e9ae7b3047971c2ebdd8065e77c83a1eee3bcc467321d2d3ecaadcb0a3
ventoy-1.0.71-linux.tar.gz:    cc3bf9abf41b9a480db183073ad8d805a3d5d4a5aa9bcf8419f3d32ed163abfb
ventoy-1.0.71-livecd.iso:      d363c3df702987db54f07ab51e11688e1977e385791e60ff4c2fcfbbc8081b65