Compile tmux on macOS

Tested on Bundle: Tahoe 26.1

libevent

1. Download release from https://github.com/libevent/libevent/releases/tag/release-2.1.12-stable
2. Build

./configure
make
sudo make install

utf8proc

3. Download release from https://github.com/JuliaStrings/utf8proc/releases/tag/v2.11.3
4. Build

make
sudo make install

tmux

5. Download release from https://github.com/tmux/tmux/releases/tag/3.6a
6. Build

PKG_CONFIG_PATH="/usr/local/lib/pkgconfig/" ./configure --enable-utf8proc
make
sudo make install