Update dependencies

patches/136864.patch

@@ -0,0 +1,29 @@
+From d4a0f34cceacfea469355550379f0bae8e9e6fbc Mon Sep 17 00:00:00 2001
+From: Charlotte Van Petegem <charlotte@vanpetegem.me>
+Date: Mon, 6 Sep 2021 09:43:15 +0200
+Subject: [PATCH] mu: 1.6.5 -> 1.6.6
+
+---
+ 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 db8f9bdb9d1a52..4b9efdc24a6011 100644
+--- a/pkgs/tools/networking/mu/default.nix
++++ b/pkgs/tools/networking/mu/default.nix
+@@ -7,13 +7,13 @@
+ 
+ stdenv.mkDerivation rec {
+   pname = "mu";
+-  version = "1.6.5";
++  version = "1.6.6";
+ 
+   src = fetchFromGitHub {
+     owner  = "djcb";
+     repo   = "mu";
+     rev    = version;
+-    sha256 = "ZHEUJiEJzQzSwWgY07dDflY5GRiD1We435htY/7IOdQ=";
++    sha256 = "64TfXPz1NCGKnozI9j+yog+hln1rA/qpzCLvPNSvH+c=";
+   };
+ 
+   postPatch = lib.optionalString (batchSize != null) ''