Updated the description on how to update a delegation during a signing #1040

	#
	# Copyright 2022 The Sigstore Authors.
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
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	name: Cosign tests

	on:
	workflow_dispatch:
	push:
	paths:
	- 'repository/**'
	pull_request:

	jobs:
	validate:
	env:
	COSIGN_EXPERIMENTAL: "true"
	runs-on: ubuntu-latest
	steps:
	# Install cosign
	- uses: sigstore/cosign-installer@11086d25041f77fe8fe7b9ea4e48e3b9192b8f19 # v3.1.2

	# Set up a repository server with python
	- uses: actions/setup-python@2c3dd9e7e29afd70cc0950079bde6c979d1f69f9 # v4.3.1
	with:
	python-version: '3.x'
	- uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
	with:
	fetch-depth: 2
	- run: \|
	cd repository/repository/
	python -m http.server 8001 &
	echo "REPO=http://localhost:8001" >> $GITHUB_ENV

	# Test cosign initialize
	- name: cosign initialize on published repository
	run: cosign initialize --mirror http://localhost:8001

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