Add per board/target dds_topics.yaml configuration for uXRCE #15625

	name: EKF Change Indicator

	on: pull_request

	jobs:
	unit_tests:
	runs-on: ubuntu-latest
	container: px4io/px4-dev-base-focal:2021-09-08
	steps:
	- uses: actions/[email protected]
	with:
	fetch-depth: 0
	- name: checkout newest version of branch
	run: \|
	git fetch origin pull/${{github.event.pull_request.number}}/head:${{github.head_ref}}
	git checkout ${GITHUB_HEAD_REF}
	- name: main test
	run: make tests TESTFILTER=EKF
	- name: Check if there is a functional change
	run: git diff --exit-code
	working-directory: src/modules/ekf2/test/change_indication

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