Add mu 1.8.10 patch

patches/191289.patch

@@ -0,0 +1,29 @@
+From e622b5ce420d445457f62dd6709744c6b1402a51 Mon Sep 17 00:00:00 2001
+From: Charlotte Van Petegem <charlotte.vanpetegem@ugent.be>
+Date: Thu, 15 Sep 2022 10:16:04 +0200
+Subject: [PATCH] mu: 1.8.9 -> 1.8.10
+
+---
+ pkgs/tools/networking/mu/default.nix | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/pkgs/tools/networking/mu/default.nix b/pkgs/tools/networking/mu/default.nix
+index 91321cb593f62..e41e1bc18b613 100644
+--- a/pkgs/tools/networking/mu/default.nix
++++ b/pkgs/tools/networking/mu/default.nix
+@@ -14,13 +14,13 @@
+ 
+ stdenv.mkDerivation rec {
+   pname = "mu";
+-  version = "1.8.9";
++  version = "1.8.10";
+ 
+   src = fetchFromGitHub {
+     owner = "djcb";
+     repo = "mu";
+     rev = "v${version}";
+-    hash = "sha256-AqbTYcPwV9iNar34pESbz9Vp/88hhB+/VxcLIhLZ16o=";
++    hash = "sha256-hwroSuxn9zVjQBz8r2y93o42zzVkHWAZaEKKEVgSb5s=";
+   };
+ 
+   postPatch = ''