ngtcp2-gnutls: 1.11.0 -> 1.12.0 (#399212)

Adopted upstream in
https://gitlab.nic.cz/knot/knot-dns/-/commit/d6bd4e8ae0029b69f4cc4ba63d371b15a00a59dd

Author: vcunat

pkgs/development/libraries/ngtcp2/gnutls.nix

@@ -12,13 +12,13 @@
 
 stdenv.mkDerivation rec {
   pname = "ngtcp2";
-  version = "1.11.0";
+  version = "1.12.0";
 
   src = fetchFromGitHub {
     owner = "ngtcp2";
     repo = "ngtcp2";
     rev = "v${version}";
-    hash = "sha256-m9kJrEDYfxPSreH14M/h/f+7vgk6Ho6pmvVdJ1S8acc=";
+    hash = "sha256-WAZKlIGwSn/U3MPF2RDOscZ5EVqQyViViy9beQeroNs=";
   };
 
   outputs = [