Bump ruff from 0.1.14 to 0.4.1 in /backend #403

	---
	name: Lint Backend

	on:
	workflow_dispatch:
	push:
	branches: [main]
	paths:
	- "backend/**"
	- ".github/workflows/lint-backend.yaml"
	pull_request:
	branches: [main]
	paths:
	- "backend/**"
	- ".github/workflows/lint-backend.yaml"

	jobs:
	lint:
	name: Lint Code
	runs-on: ubuntu-latest
	permissions:
	contents: read
	defaults:
	run:
	# Step into backend
	working-directory: ./backend
	steps:
	- name: Checkout Code
	uses: actions/checkout@v4

	- name: Install poetry
	run: pipx install poetry==1.7.1

	- name: Set up python
	uses: actions/setup-python@v5
	with:
	python-version: "3.10"
	cache: poetry

	- name: Install dependencies
	run: poetry install --no-interaction --no-ansi

	- name: Ruff lint
	run: poetry run ruff check .

	- name: Ruff format
	run: poetry run ruff format . --check --diff

	codeql:
	name: CodeQL Analysis
	runs-on: ubuntu-latest
	permissions:
	actions: read
	contents: read
	security-events: write
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	# Initializes the CodeQL tools for scanning.
	- name: Initialize CodeQL
	uses: github/codeql-action/init@v3
	with:
	languages: python

	- name: Perform CodeQL Analysis
	uses: github/codeql-action/analyze@v3

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