Update readme regarding --preserve-installers switch #157

	# Copyright 2024 Dynatrace LLC
	#
	# 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
	#
	# https://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
	# limitations under the License.

	name: "Build and test"
	on:
	pull_request:
	workflow_dispatch:
	workflow_call:

	jobs:
	build-and-test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Set environment variables
	uses: ./.github/actions/set-environment-variables
	- name: Set up environment
	uses: ./.github/actions/setup-build-environment
	- name: Build the collection
	uses: ./.github/actions/build-collection
	- name: Run sanity tests
	uses: ./.github/actions/run-sanity-tests
	- name: Run component tests
	uses: ./.github/actions/run-component-tests

Provide feedback