chore(deps): update nixpkgs to nixos-23.11

This PR contains the following updates:

Package	Update	Change
nixpkgs	minor	`nixos-23.05` -> `nixos-23.11`

Release Notes

NixOS/nixpkgs (nixpkgs)

### [`vnixos-23.11`](https://togithub.com/NixOS/nixpkgs/compare/nixos-23.05...nixos-23.11) [Compare Source](https://togithub.com/NixOS/nixpkgs/compare/nixos-23.05...nixos-23.11)

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

[ ] If you want to rebase/retry this PR, check this box

This PR has been generated by Mend Renovate. View repository job log here.

⚠ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

any of the package files in this branch needs updating, or
the branch becomes conflicted, or
you click the rebase/retry checkbox if found above, or
you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: flake.lock

Command failed: docker run --rm --name=renovate_a_sidecar --label=renovate_a_child --memory=3584m -v "/tmp/worker/831266/a4c32e/repos/github/timhae/firefly":"/tmp/worker/831266/a4c32e/repos/github/timhae/firefly" -v "/tmp/worker/831266/a4c32e/cache":"/tmp/worker/831266/a4c32e/cache" -e CONTAINERBASE_CACHE_DIR -w "/tmp/worker/831266/a4c32e/repos/github/timhae/firefly" ghcr.io/containerbase/sidecar:9.24.0 bash -l -c "install-tool nix 2.19.1 && nix     --extra-experimental-features nix-command     --extra-experimental-features flakes --extra-access-tokens github.com=**redacted** flake lock --update-input nixpkgs"
error: unrecognised flag '--update-input'
Try '/opt/containerbase/tools/nix/2.19/bin/nix --help' for more information.

timhae / firefly