fix: retain null fields in sync node merger #172

	#
	# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
	# SPDX-License-Identifier: Apache-2.0
	#
	name: OTF UATS

	on:
	push:
	branches: 'main'
	pull_request:
	branches: 'main'

	env:
	AWS_REGION : "us-west-2"
	CODE_BUILD_PROJECT_LINUX: "ShadowManagerUatCodeBuildLinux"
	AWS_ROLE_TO_ASSUME: "arn:aws:iam::686385081908:role/aws-greengrass-shadow-manager-codebuild-uat-role-linux"

	jobs:
	uat-linux:
	permissions:
	id-token: write
	contents: read
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ ubuntu-latest ]
	steps:
	- name: configure aws credentials
	uses: aws-actions/configure-aws-credentials@v1
	with:
	role-to-assume: ${{ env.AWS_ROLE_TO_ASSUME }}
	role-session-name: shadowManagerCI
	aws-region: ${{ env.AWS_REGION }}
	- name: Run UAT on linux
	uses: aws-actions/aws-codebuild-run-build@v1
	with:
	project-name: ${{ env.CODE_BUILD_PROJECT_LINUX }}
	buildspec-override: uat/codebuild/uat_linux_buildspec.yaml

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