FIXME: temp disable workflows

.github/workflows/nix-update.yaml

@@ -1,22 +0,0 @@
-name: "Nix: update lockfile"
-
-on: [push, workflow_dispatch]
-
-jobs:
-  update:
-    runs-on: ubuntu-latest
-    steps:
-    - name: Clone repository
-      uses: actions/checkout@v3
-    - name: Install nix
-      uses: cachix/install-nix-action@v17
-      with:
-        install_url: https://releases.nixos.org/nix/nix-2.8.0/install
-        extra_nix_config: |
-          auto-optimise-store = true
-          experimental-features = nix-command flakes
-    - name: Update lockfile
-      run: nix/update-inputs.sh
-    - uses: stefanzweifel/git-auto-commit-action@v4
-      with:
-        commit_message: "[gha] bump flake inputs"