Build

Add Airflow example #3497

Job	Run time
python-lint	12s
gateway-build	18s
frontend-build	1m 1s
runner-test	20s
runner-compile (linux, amd64, ubuntu-latest)	38s
python-test (macos-latest, 3.9)	2m 20s
python-test (macos-latest, 3.10)	1m 58s
python-test (macos-latest, 3.11)	1m 59s
python-test (macos-latest, 3.12)	2m 27s
python-test (macos-latest, 3.13)	2m 6s
python-test (ubuntu-latest, 3.9)	4m 27s
python-test (ubuntu-latest, 3.10)	4m 16s
python-test (ubuntu-latest, 3.11)	4m 12s
python-test (ubuntu-latest, 3.12)	4m 45s
python-test (ubuntu-latest, 3.13)	4m 44s
python-test (windows-latest, 3.9)	4m 43s
python-test (windows-latest, 3.10)	6m 36s
python-test (windows-latest, 3.11)	6m 9s
python-test (windows-latest, 3.12)	6m 15s
python-test (windows-latest, 3.13)	8m 13s
runner-upload	15s
generate-json-schema	38s
update-get-dstack	8s
	1h 8m 40s

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