Large ship deltas - 2.0

[heifner]

Change Description

Fix for #10228

• Large SHiP deltas cause overflow of uint32_t
• Updated to latest fc for 2.0 which includes a fix for variant blob_type
• Thanks @tbfleming

Change Type

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• Documentation

• Stability bug fix

• Other

• Other - special case

Testing Changes

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Consensus Changes

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API Changes

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Documentation Additions

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[linhuang-blockone]

Could we add a test case for this (simulating large delta) in the future.