feat: Update Python lambda runtime from `3.8` to `3.11` #60

	name: Unit Test

	on:
	pull_request:
	branches:
	- main
	- master
	paths:
	- 'functions/**'
	- '.github/workflows/unit-test.yml'

	defaults:
	run:
	working-directory: functions

	jobs:
	test:
	name: Execute unit tests
	runs-on: ubuntu-latest

	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Set up Python 3.11
	uses: actions/setup-python@v5
	with:
	python-version: 3.11

	- name: Install pipenv
	run: \|
	python -m pip install --upgrade pip
	python -m pip install pipenv

	- name: Install local deps
	run: pipenv install --dev

	- name: Lint check
	run: pipenv run lint:ci

	- name: Type check
	run: pipenv run typecheck

	- name: Unit tests
	run: pipenv run test

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