[Cherry-pick] [Core] Defer SIGINT interrupt during task argument deserialization. (#30476) #30754
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This PR cherry-picks #30476 onto the 2.2.0 release branch.
Importing certain libraries (e.g. Arrow, Pandas, Torch) is not reentrant, and task cancellation is occasionally interrupting the Arrow import triggered via this deserialization add-on during task argument deserialization, which we are then trying to import again when serializing the error. See here for an example failure: https://buildkite.com/ray-project/oss-ci-build-branch/builds/1115#018485e1-df32-480f-9c36-cc898341f0a2
This PR prevents this import reentrancy from happening for the task cancellation case by deferring interrupts until after task argument deserialization finishes, so we can be sure that the serialization-related imports have finished before processing the interrupt.