osrm-backend
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Upgrade FlatBuffers from 24.3.25 to 25.9.23
OSRM currently uses FlatBuffers 24.3.25 (released March 2024) while the latest version is 25.9.23 (released September 2025).
The main challenge of the upgrading is that flatc compiler does not support Javascript anymore, so we have to use "flatc --ts" and then transpile to Javascript