stunnel: 5.45 -> 5.46

Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.

This update was made based on information from https://repology.org/metapackage/stunnel/versions.

These checks were done:

- built on NixOS
- Warning: no invocation of /nix/store/9dvqa02pamz2wgzrpsjlzvf02qlmmabj-stunnel-5.46/bin/stunnel3 had a zero exit code or showed the expected version
- Warning: no invocation of /nix/store/9dvqa02pamz2wgzrpsjlzvf02qlmmabj-stunnel-5.46/bin/stunnel had a zero exit code or showed the expected version
- 0 of 2 passed binary check by having a zero exit code.
- 0 of 2 passed binary check by having the new version present in output.
- found 5.46 with grep in /nix/store/9dvqa02pamz2wgzrpsjlzvf02qlmmabj-stunnel-5.46
- directory tree listing: https://gist.github.com/fa7d88d4b57706beacb1a6c4ca25a0ab
- du listing: https://gist.github.com/1eb91f78f53c9d1e590c49e38c2869f3

pkgs/tools/networking/stunnel/default.nix

@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name    = "stunnel-${version}";
-  version = "5.45";
+  version = "5.46";
 
   src = fetchurl {
     url    = "https://www.stunnel.org/downloads/${name}.tar.gz";
-    sha256 = "1qrfb418skdcm7b3v30ixng1ng907f4rfv54zvgz8jwakf1l90jl";
+    sha256 = "1iw4gap9ysag8iww2ik029scmdllk7jdzcpnnbj7hgbl526b9akn";
     # please use the contents of "https://www.stunnel.org/downloads/${name}.tar.gz.sha256",
     # not the output of `nix-prefetch-url`
   };