Update flake.lock & reintroduce garnix CI

[srid]

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

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/45298bd207b26e1bcd030a0bb075aa2da29f8e30' (2022-09-28)
  → 'github:hercules-ci/flake-parts/0e101dbae756d35a376a5e1faea532608e4a4b9a' (2022-10-27)
• Removed input 'flake-parts/nixpkgs'
• Added input 'flake-parts/nixpkgs-lib':
    'github:NixOS/nixpkgs/34c5293a71ffdb2fe054eb5288adc1882c1eb0b1?dir=lib' (2022-10-09)
• Updated input 'haskell-flake':
    'github:srid/haskell-flake/e1f757d7c48a81ec53e8a952b0d8304f2315da7e' (2022-10-24)
  → 'github:srid/haskell-flake/2ef06a73fef2856fb5d0f5a8a7a4fef964e0d94f' (2022-10-24)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/0cfb3c002b61807ca0bab3efe514476bdf2e5478' (2022-09-17)
  → 'github:nixos/nixpkgs/f44ba1be526c8da9e79a5759feca2365204003f6' (2022-10-28)

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

[srid]

• [x] Update https://srid.ca/haskell-template/garnix accordingly
  • "Why garnix?" ... faster than Github Actions + provides cache. Donate.
  • Add screenshot of CI jobs