chore: merge upstream master (flake.lock bump)

Update flake-schemas and nixpkgs pins to match upstream.

.github/workflows/flake-checker.yml

@@ -16,6 +16,6 @@ jobs:
       - uses: actions/checkout@v6
         with:
           fetch-depth: 0
-      - uses: DeterminateSystems/nix-installer-action@v21
+      - uses: DeterminateSystems/nix-installer-action@v22
       - uses: DeterminateSystems/magic-nix-cache-action@v9
       - uses: DeterminateSystems/flake-checker-action@v12

.github/workflows/flake-updater.yml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v6
         with:
           fetch-depth: 0
-      - uses: DeterminateSystems/nix-installer-action@v21
+      - uses: DeterminateSystems/nix-installer-action@v22
       - uses: DeterminateSystems/magic-nix-cache-action@v9
       - uses: DeterminateSystems/update-flake-lock@v28
         with:

.github/workflows/test-build-quickemu.yml

@@ -53,7 +53,7 @@ jobs:
       - name: "Checkout 🥡"
         uses: "actions/checkout@v6"
       - name: "Install Nix ❄️"
-        uses: "DeterminateSystems/nix-installer-action@v21"
+        uses: "DeterminateSystems/nix-installer-action@v22"
       - name: "Enable Magic Nix Cache 🪄"
         uses: "DeterminateSystems/magic-nix-cache-action@v9"
       - name: "Build & Test .nix ❄️"

flake.lock

@@ -2,12 +2,12 @@
   "nodes": {
     "flake-schemas": {
       "locked": {
-        "lastModified": 1772200446,
-        "narHash": "sha256-hcUPpu25+VLvQsf961cu4zTeA//Ab35MaMjqSS/Ojqc=",
-        "rev": "d6a6b7cfa25bea552c197c9e227cd293ff801dbb",
-        "revCount": 115,
+        "lastModified": 1775244557,
+        "narHash": "sha256-iYXRXIX9eafJmwJFAhqT3YxvvpNRuPFSLRCSpvGh8Ic=",
+        "rev": "15edbeeaf77e42216dbcba8bfd907fdeabb75a2b",
+        "revCount": 132,
         "type": "tarball",
-        "url": "https://api.flakehub.com/f/pinned/DeterminateSystems/flake-schemas/0.3.0/019c9f61-e746-760e-a1fe-53f05b10d026/source.tar.gz"
+        "url": "https://api.flakehub.com/f/pinned/DeterminateSystems/flake-schemas/0.4.2/019d5cf2-ee3c-7313-964e-f3f83c35d509/source.tar.gz"
       },
       "original": {
         "type": "tarball",
@@ -16,11 +16,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1776548001,
-        "narHash": "sha256-ZSK0NL4a1BwVbbTBoSnWgbJy9HeZFXLYQizjb2DPF24=",
+        "lastModified": 1776877367,
+        "narHash": "sha256-EHq1/OX139R1RvBzOJ0aMRT3xnWyqtHBRUBuO1gFzjI=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "b12141ef619e0a9c1c84dc8c684040326f27cdcc",
+        "rev": "0726a0ecb6d4e08f6adced58726b95db924cef57",
         "type": "github"
       },
       "original": {