singularity: 2.4.5 -> 2.4.6

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

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

These checks were done:

- built on NixOS
- ran ‘/nix/store/0rcn1kn4j7rmr0qn314g28vpa4xf230d-singularity-2.4.6/bin/singularity -h’ got 0 exit code
- ran ‘/nix/store/0rcn1kn4j7rmr0qn314g28vpa4xf230d-singularity-2.4.6/bin/singularity --help’ got 0 exit code
- ran ‘/nix/store/0rcn1kn4j7rmr0qn314g28vpa4xf230d-singularity-2.4.6/bin/singularity help’ got 0 exit code
- found 2.4.6 with grep in /nix/store/0rcn1kn4j7rmr0qn314g28vpa4xf230d-singularity-2.4.6
- directory tree listing: https://gist.github.com/e2f21872e885760acf461b07dd5b4f86

pkgs/applications/virtualization/singularity/default.nix

@@ -17,7 +17,7 @@
 
 stdenv.mkDerivation rec {
   name = "singularity-${version}";
-  version = "2.4.5";
+  version = "2.4.6";
 
   enableParallelBuilding = true;
 
@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
     owner = "singularityware";
     repo = "singularity";
     rev = version;
-    sha256 = "0wz2in07197n5c2csww864nn2qmr925lqcjsd1kmlwwnrhq6lzl3";
+    sha256 = "0bs1jqm7v7wv1kdxq8kyqn3gl5m76j0wwwgjyjnndrhczlsh5m1d";
   };
 
   nativeBuildInputs = [ autoreconfHook makeWrapper ];