fix: throw if average called with empty array #13

	name: Release

	on:
	push:
	branches:
	- main

	permissions:
	contents: read

	jobs:
	release:
	name: Release
	runs-on: ubuntu-latest
	permissions:
	contents: write
	issues: write
	pull-requests: write
	packages: write
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Setup Node.js
	uses: actions/setup-node@v4
	with:
	node-version: 'lts/*'
	- name: Install dependencies
	run: npm ci
	- name: Unit tests
	run: npm test
	- name: Release
	run: npm run release
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	NPM_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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