fix(build): restore multi-TFM compatibility for Release pack#194

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ottobolyos:fix/multi-tfm-compat

Commits on Jun 11, 2026

test(common): pin SupportedOSPlatform attribute on Service types (RED)
ottobolyos
committed
test(xml): pin using-declarations code path under netstandard2.0
ottobolyos
committed
test(integration): pin MqttRelay condition observation flow (RED)
ottobolyos
committed
fix(common): wrap SupportedOSPlatform in NET5_0_OR_GREATER for multi-TFM
ottobolyos
committed
fix(xml): bump LangVersion to 8.0 for using-declarations support
ottobolyos
committed
fix(mqtt-relay): rename shadowed observation variable in condition path
ottobolyos
committed