Fix server compatibility with pre-0.19.27 runners #5406

Job	Run time
compute-version	2s
build-docs / build-docs	6m 26s
build-artifacts / code-lint	40s
build-artifacts / frontend-build	8s
build-artifacts / gateway-build	11s
build-artifacts / runner-test (ubuntu-latest)	53s
build-artifacts / runner-test (macos-latest)	1m 35s
build-artifacts / generate-json-schema	14s
build-artifacts / python-build	28s
build-artifacts / python-test (macos-latest, 3.10)	2m 15s
build-artifacts / python-test (macos-latest, 3.9)	2m 54s
build-artifacts / python-test (ubuntu-latest, 3.11)	3m 45s
build-artifacts / python-test (macos-latest, 3.11)	3m 20s
build-artifacts / python-test (macos-latest, 3.12)	2m 51s
build-artifacts / python-test (macos-latest, 3.13)	1m 34s
build-artifacts / python-test (ubuntu-latest, 3.9)	3m 55s
build-artifacts / python-test (windows-latest, 3.12)	1m 51s
build-artifacts / python-test (ubuntu-latest, 3.10)	3m 59s
build-artifacts / python-test (ubuntu-latest, 3.13)	3m 43s
build-artifacts / python-test (windows-latest, 3.10)	1m 49s
build-artifacts / python-test (windows-latest, 3.11)	1m 42s
build-artifacts / python-test (windows-latest, 3.9)	1m 28s
build-artifacts / python-test (ubuntu-latest, 3.12)	3m 56s
build-artifacts / python-test (windows-latest, 3.13)	1m 46s
build-artifacts / runner-compile (ubuntu-24.04-arm, linux, arm64)	28s
build-artifacts / runner-compile (ubuntu-24.04, linux, amd64)	41s
upload-pre-pypi-artifacts / upload-pre-pypi-artifacts	23s
upload-post-pypi-artifacts / upload-post-pypi-artifacts	14s
	53m 11s

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