nix: 2.18 -> 2.22

I tested this version on my system without any issues, but on
the other hand it has better error handling i.e. for infinite recursion.

This version has been now also cooking in the nix-install-action for 2
weeks: https://github.com/cachix/install-nix-action/pull/206

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

@@ -174,6 +174,16 @@ in lib.makeExtensible (self: ({
     version = "2.22.1";
     hash = "sha256-5Q1WkpTWH7fkVfYhHDc5r0A+Vc+K5xB1UhzrLzBCrB8=";
     self_attribute_name = "nix_2_22";
+    patches = [
+      (fetchpatch {
+        url = "https://github.com/NixOS/nix/commit/e5f509ef0b5c364544c904faa0bfda57dba03611.patch"; # fix for nix edit
+        sha256 = "sha256-E0QBD4h6MkGj5ye6Ba08MFR3drOOQu36t6xLXukm7a0=";
+      })
+      (fetchpatch {
+        url = "https://github.com/NixOS/nix/commit/bb1a4ea21a6af3c37c7d1c948e36678c96c3f499.patch"; # fix for nix edit
+        sha256 = "sha256-rgK+wus9qccVIKdhbKiDcvcngLvFk6SjjAnRQ6fAMno=";
+      })
+    ];
   };
 
   git = common rec {
@@ -207,7 +217,7 @@ in lib.makeExtensible (self: ({
     else
       nix;
 
-  stable = addFallbackPathsCheck self.nix_2_18;
+  stable = addFallbackPathsCheck self.nix_2_22;
 } // lib.optionalAttrs config.allowAliases (
   lib.listToAttrs (map (
     minor: