nixVersions.nix_2_31: 2.31.0 -> 2.31.1 (#439678)

pkgs/tools/package-management/nix/default.nix

···
       nix_2_30 = addTests "nix_2_30" self.nixComponents_2_30.nix-everything;
 
       nixComponents_2_31 = nixDependencies.callPackage ./modular/packages.nix rec {
-        version = "2.31.0";
+        version = "2.31.1";
         inherit (self.nix_2_30.meta) maintainers teams;
         otherSplices = generateSplicesForNixComponents "nixComponents_2_31";
         src = fetchFromGitHub {
           owner = "NixOS";
           repo = "nix";
           tag = version;
-          hash = "sha256-5JYyijH2q/uQCDIZCCyQEBsZ0VPNP2SS1wgZ4+qeIWM=";
+          hash = "sha256-p7GXuu9OyQ1etTYl5egWIk2Ck7CdpXj80CqkhfE4H0c=";
         };
       };