flake.lock: Update

[typelevel-steward[bot]]

Automated changes by the update-flake-lock GitHub Action.

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/641daa314d5bc1bca4b345da8eb08a130b109c79?narHash=sha256-Lhhrd1ZBNXCbUupWGq6gRPIy1qMKEdcAXcjnwgVqe/U%3D' (2024-05-20)
  → 'github:nixos/nixpkgs/e2dd4e18cc1c7314e24154331bae07df76eb582f?narHash=sha256-usk0vE7VlxPX8jOavrtpOqphdfqEQpf9lgedlY/r66c%3D' (2024-05-26)

Running GitHub Actions on this PR

GitHub Actions will not run workflows on pull requests which are opened by a GitHub Action.

To run GitHub Actions workflows on this PR, run:

git branch -D update_flake_lock_action
git fetch origin
git checkout update_flake_lock_action
git commit --amend --no-edit
git push origin update_flake_lock_action --force

[rossabaker]

pkgs.llvmPackages.libcxxabi has gone missing, and I haven't chased why.