Fix fleets parameter in excludes #256

Job	Run time
runner-test	3m 24s
frontend-build	1m 10s
gateway-build	13s
python-lint	15s
python-test (macos-latest, 3.9)	2m 53s
python-test (macos-latest, 3.10)	2m 29s
python-test (macos-latest, 3.11)	2m 1s
python-test (macos-latest, 3.12)	2m 4s
python-test (macos-latest, 3.13)	2m 13s
python-test (ubuntu-latest, 3.9)	5m 20s
python-test (ubuntu-latest, 3.10)	5m 32s
python-test (ubuntu-latest, 3.11)	5m 20s
python-test (ubuntu-latest, 3.12)	5m 10s
python-test (ubuntu-latest, 3.13)	5m 10s
python-test (windows-latest, 3.9)	4m 49s
python-test (windows-latest, 3.10)	5m 49s
python-test (windows-latest, 3.11)	5m 55s
python-test (windows-latest, 3.12)	7m 45s
python-test (windows-latest, 3.13)	4m 38s
runner-compile (linux, amd64, ubuntu-latest)	26s
runner-upload	19s
pypi-upload	21s
generate-json-schema	29s
update-get-dstack-tag	6s
server-docker-upload	15m 2s
	1h 28m 53s

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