Log Message:
wabt: updated to 1.0.34

Major changes since 1.0.33:

Parse & write custom-section annotations
Partial wasm2c support for the threads proposal
wasm2c support for the tail-call proposal
Update multi-memory support to match upstream proposal
wasm-opcodecnt renamed to wasm-stats
wasm2c fixes for MIPS
Support global.get in constant expressions
Better spec-compliant parsing on some edge cases
Improved parsing and validation for memory64