tmux: Update to 3.1b

tmux/PKGBUILD

@@ -1,7 +1,7 @@
 # Maintainer: Alexey Pavlov <alexpux@gmail.com>
 
 pkgname=tmux
-_base_ver=3.1
+_base_ver=3.1b
 _bugfix=
 pkgver=${_base_ver}${_bugfix}
 pkgrel=1
@@ -18,7 +18,7 @@ source=(${pkgname}-${pkgver}.tar.gz::https://github.com/tmux/tmux/archive/${_bas
         'no-check-dirs-permission.patch'
         'inherit-msystem-var.patch')
 
-sha256sums=('a03344dcc8a3912b6d01c677a535d1e3f79822d716f007cda5f64feeefbeb656'
+sha256sums=('100d0a11a822927172e8b983b5f9401476bd9f2cfa6758512f762b9ad74f9536'
             'cf7e0f642d43fc97f7c55be41c693cceab5c891f81fcee687e918075e55cd533'
             '8f1938c9bcb99fba5441e11379a193c17eee582a03c04f1bde8089d58a84f44f'
             'cc832494d4fd4c7bd86a77af5f830422d342a812c890ef1d1d2e8d8a08352cd4')