Bump braces and onchange in /docs #39

	# This is a basic workflow to help you get started with Actions

	name: Publish Docker image

	# Controls when the action will run. Triggers the workflow on push or pull request
	# events but only for the noetic-devel branch
	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	# A workflow run is made up of one or more jobs that can run sequentially or in parallel
	jobs:
	push_to_registry:
	name: Push Docker image to Docker Hub
	runs-on: ubuntu-latest
	steps:
	- name: Check out the repo
	uses: actions/checkout@v2
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v1
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1
	- name: Login to DockerHub
	uses: docker/login-action@v1
	with:
	username: ${{ secrets.DOCKER_USERNAME }}
	password: ${{ secrets.DOCKER_PASSWORD }}
	- name: Push to Docker Hub
	uses: docker/build-push-action@v2
	with:
	push: true
	tags: jderobot/detection-metrics:noetic
	context: DetectionMetrics/Dockerfile/
	file: DetectionMetrics/Dockerfile/Dockerfile

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