Do not return `NO_BALANCE` to older clients #6157

Job	Run time
compute-version	2s
build-docs / build-docs	1m 15s
build-artifacts / code-lint	48s
build-artifacts / runner-test (ubuntu-latest)	1m 9s
build-artifacts / frontend-build	12s
build-artifacts / gateway-build	11s
build-artifacts / runner-test (macos-latest)	1m 24s
build-artifacts / python-build	23s
build-artifacts / generate-json-schema	17s
build-artifacts / python-test (macos-latest, 3.9)	2m 25s
build-artifacts / python-test (macos-latest, 3.11)	4m 1s
build-artifacts / python-test (ubuntu-latest, 3.13)	4m 48s
build-artifacts / python-test (windows-latest, 3.9)	1m 51s
build-artifacts / python-test (macos-latest, 3.10)	3m 4s
build-artifacts / python-test (windows-latest, 3.11)	2m 3s
build-artifacts / python-test (ubuntu-latest, 3.11)	4m 42s
build-artifacts / python-test (macos-latest, 3.12)	2m 29s
build-artifacts / python-test (macos-latest, 3.13)	4m 28s
build-artifacts / python-test (ubuntu-latest, 3.12)	4m 51s
build-artifacts / python-test (windows-latest, 3.10)	1m 47s
build-artifacts / python-test (windows-latest, 3.12)	2m 5s
build-artifacts / python-test (windows-latest, 3.13)	2m 6s
build-artifacts / python-test (ubuntu-latest, 3.10)	5m 7s
build-artifacts / python-test (ubuntu-latest, 3.9)	5m 21s
build-artifacts / runner-compile (ubuntu-24.04, linux, amd64)	32s
build-artifacts / runner-compile (ubuntu-24.04-arm, linux, arm64)	30s
upload-post-pypi-artifacts / upload-post-pypi-artifacts	14s
upload-pre-pypi-artifacts / upload-pre-pypi-artifacts	22s
	58m 27s

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