Add release notes for v0.3.18. #57

	name: Create Release

	on:
	push:
	tags:
	- 'v*'

	jobs:
	ci:
	name: CI
	uses: ./.github/workflows/ci.yml

	docs:
	name: Verify Docs Build
	uses: beeware/.github/.github/workflows/docs-build-verify.yml@main
	secrets: inherit
	with:
	project-name: "briefcase"
	project-version: ${{ github.ref_name }}

	release:
	name: Create Release
	needs: [ ci, docs ]
	runs-on: ubuntu-latest
	permissions:
	contents: write
	# This permission is required for trusted publishing.
	id-token: write
	steps:
	- name: Set build variables
	run: \|
	echo "VERSION=${GITHUB_REF_NAME#v}" >> $GITHUB_ENV

	- name: Set up Python
	uses: actions/[email protected]
	with:
	python-version: "3.x"

	- name: Get packages
	uses: actions/[email protected]
	with:
	name: ${{ needs.ci.outputs.artifact-name }}
	path: dist

	- name: Purge non-release packages
	run: rm -rf dist/x-*

	- name: Install packages
	run: pip install dist/*.whl

	- name: Check version number
	# Check that the setuptools_scm-generated version number is still the same when
	# installed from a wheel with setuptools_scm not present.
	run: \|
	set -x
	test $(briefcase --version) = $VERSION

	- name: Create release
	uses: ncipollo/[email protected]
	with:
	name: ${{ env.VERSION }}
	draft: true
	artifacts: dist/*
	artifactErrorsFailBuild: true

	- name: Publish release to Test PyPI
	uses: pypa/gh-action-pypi-publish@release/v1
	with:
	repository-url: https://test.pypi.org/legacy/

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