chore: use modern helper from bazel-lib (#207) #4

	# Cut a release whenever a new tag is pushed to the repo.
	# You should use an annotated tag, like `git tag -a v1.2.3`
	# and put the release notes into the commit message for the tag.
	name: Release

	on:
	push:
	tags:
	- "v..*"

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- name: Mount bazel caches
	uses: actions/cache@v3
	with:
	path: \|
	"~/.cache/bazel"
	"~/.cache/bazel-repo"
	key: bazel-cache-${{ hashFiles('/BUILD.bazel', '/*.bzl', 'WORKSPACE') }}
	restore-keys: bazel-cache-
	- name: bazel test //...
	env:
	# Bazelisk will download bazel to here
	XDG_CACHE_HOME: ~/.cache/bazel-repo
	run: bazel --bazelrc=.github/workflows/ci.bazelrc --bazelrc=.bazelrc test //...
	- name: Prepare release
	run: .github/workflows/release_prep.sh ${{ env.GITHUB_REF_NAME }} > release_notes.txt
	- name: Release
	uses: softprops/action-gh-release@v1
	with:
	prerelease: true
	# Use GH feature to populate the changelog automatically
	generate_release_notes: true
	body_path: release_notes.txt
	files: rules_py-*.tar.gz
	fail_on_unmatched_files: true

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