Add mu 1.8.11 patch

patches/197685.patch

@@ -0,0 +1,30 @@
+From 30a57da8e0c34ad1821ebb3e0205dbeff15dac6d Mon Sep 17 00:00:00 2001
+From: Charlotte Van Petegem <charlotte.vanpetegem@ugent.be>
+Date: Tue, 25 Oct 2022 09:32:04 +0200
+Subject: [PATCH] mu: 1.8.10 -> 1.8.11
+
+https://github.com/djcb/mu/releases/tag/v1.8.11
+---
+ 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 6a578b4723988..0544b6d1ec116 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 = "1.8.10";
++  version = "1.8.11";
+ 
+   src = fetchFromGitHub {
+     owner = "djcb";
+     repo = "mu";
+     rev = "v${version}";
+-    hash = "sha256-hwroSuxn9zVjQBz8r2y93o42zzVkHWAZaEKKEVgSb5s=";
++    hash = "sha256-IEfwAAUqEGtN4vww0pfW7iuIY/U3eqzC+MJsqtossCw=";
+   };
+ 
+   postPatch = ''