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/14ccaaedd95a488dd7ae142757884d8e125b3363' (2022-10-09)
  → 'github:nixos/nixpkgs/ec96702d7dbc5d3af40ef1c4d28040ec4a0f11e8' (2022-10-16)

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