tmux: update to 3.6a.

Author: sgn

srcpkgs/tmux/template

@@ -1,6 +1,6 @@
 # Template file for 'tmux'
 pkgname=tmux
-version=3.5a
+version=3.6a
 revision=1
 build_style=gnu-configure
 configure_args="--enable-utempter --enable-sixel"
@@ -13,7 +13,7 @@ license="ISC"
 homepage="https://tmux.github.io"
 changelog="https://raw.githubusercontent.com/tmux/tmux/master/CHANGES"
 distfiles="https://github.com/tmux/tmux/releases/download/${version}/tmux-${version}.tar.gz"
-checksum=16216bd0877170dfcc64157085ba9013610b12b082548c7c9542cc0103198951
+checksum=b6d8d9c76585db8ef5fa00d4931902fa4b8cbe8166f528f44fc403961a3f3759
 
 pre_configure() {
 	autoreconf -fi