[k8s] Use `SERVICE_ACCOUNT` as default remote_identity, add checks for autodown support #12202

	# This is needed for GitHub Actions for the "Waiting for status to be reported" problem,
	# according to https://docs.github.com/en/repositories/configuring-branches-and-merges-in-your-repository/defining-the-mergeability-of-pull-requests/troubleshooting-required-status-checks
	name: Python Tests
	on:
	# Trigger the workflow on push or pull request,
	# but only for the main branch
	push:
	branches:
	- master
	- 'releases/**'
	pull_request:
	branches:
	- master
	- 'releases/**'
	jobs:
	python-test:
	runs-on: ubuntu-latest
	steps:
	- run: 'echo "No tests to run"'

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