Release v0.26.4 (#1204)

* v0.26.3 -> 0.26.4

* Update cargo deps

* flake.lock: Update

Flake lock file updates:

• Updated input 'determinate':
    'https://api.flakehub.com/f/pinned/DeterminateSystems/determinate/0.1.108%2Brev-9e29debf915921a714a622d573aa0b052e4b9a7d/01922c07-4d38-7d89-9dd7-07c27c170c65/source.tar.gz?narHash=sha256-HTTDeNjHUsdkHotm7CDzl8rKseoLQEeezYP6oJU7aas%3D' (2024-09-26)
  → 'https://api.flakehub.com/f/pinned/DeterminateSystems/determinate/0.1.110%2Brev-cb916a7dd1b85d547edd6ba2f782a578ca4ef480/01923596-e372-7668-a456-5b32177e0dda/source.tar.gz?narHash=sha256-M9Z7OMrQHAmZQnuMYxdyqzV%2B7ApIXVbA2GXl62l1GTo%3D' (2024-09-27)
• Updated input 'nixpkgs':
    'https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.1.684053%2Brev-9357f4f23713673f310988025d9dc261c20e70c6/01921e7b-1992-7873-809e-ce4f88216698/source.tar.gz?narHash=sha256-bvGoiQBvponpZh8ClUcmJ6QnsNKw0EMrCQJARK3bI1c%3D' (2024-09-21)
  → 'https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.1.685764%2Brev-1925c603f17fc89f4c8f6bf6f631a802ad85d784/01923479-4bef-7480-a7b0-72f6d33a5318/source.tar.gz?narHash=sha256-J%2BPeFKSDV%2BpHL7ukkfpVzCOO7mBSrrpJ3svwBFABbhI%3D' (2024-09-26)

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "nix-installer"
 description = "The Determinate Nix Installer"
-version = "0.26.3"
+version = "0.26.4"
 edition = "2021"
 resolver = "2"
 license = "LGPL-2.1"

tests/fixtures/linux/linux.json

@@ -1,5 +1,5 @@
 {
-  "version": "0.26.3",
+  "version": "0.26.4",
   "actions": [
     {
       "action": {

tests/fixtures/linux/steam-deck.json

@@ -1,5 +1,5 @@
 {
-  "version": "0.26.3",
+  "version": "0.26.4",
   "actions": [
     {
       "action": {

tests/fixtures/macos/macos.json

@@ -1,5 +1,5 @@
 {
-  "version": "0.26.3",
+  "version": "0.26.4",
   "actions": [
     {
       "action": {