add auto-update workflow via nix-update

Weekly GitHub Action that opens a PR when new releases are available.
Also bumps github-recon 1.5.3 → 1.5.6.

.github/workflows/update.yml

@@ -0,0 +1,49 @@
+name: Update packages
+
+on:
+  schedule:
+    - cron: '0 6 * * 1'
+  workflow_dispatch:
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  update:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: cachix/install-nix-action@v31
+        with:
+          extra_nix_config: |
+            experimental-features = nix-command flakes
+            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
+
+      - name: Update packages
+        run: |
+          python_pkgs=(toutatis ignorant ghunt user-scanner)
+          go_pkgs=(github-recon gravatar-recon spilltea usbguard-tui jwt-tui)
+
+          for pkg in "${python_pkgs[@]}"; do
+            echo "==> $pkg"
+            nix run nixpkgs#nix-update -- --flake "$pkg" || true
+          done
+
+          for pkg in "${go_pkgs[@]}"; do
+            echo "==> $pkg"
+            nix run nixpkgs#nix-update -- --flake --build "$pkg" || true
+          done
+
+      - uses: peter-evans/create-pull-request@v7
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          commit-message: "auto-update: bump package versions"
+          title: "Auto-update packages"
+          body: |
+            Automated package updates via `nix-update`.
+
+            Check individual diffs to see what changed.
+          branch: auto-update
+          delete-branch: true

pkgs/github-recon/default.nix

@@ -5,13 +5,13 @@
 }:
 buildGoModule rec {
   pname = "github-recon";
-  version = "1.5.3";
+  version = "1.5.6";
 
   src = fetchFromGitHub {
     owner = "anotherhadi";
     repo = "github-recon";
     rev = "v${version}";
-    hash = "sha256-oHzXuxf4sikMcR+rB/1QZQytoNpFt9ZLMohWO4ZbK+0=";
+    hash = "sha256-5kbHFRfJpUk8qnfPxy6Ca65DtYOuI6Z8nwZiUWEK5dM=";
   };
 
   vendorHash = "sha256-AD0h0k2n8gPqSBz5qqb0ZON/jWiSEWpeO97xR7cYSy8=";