Roll fuchsia/sdk/core/linux-amd64 from 3hQdw... to siBGl...

The AutoRoll server is located here: https://autoroll.skia.org/r/fuchsia-linux-sdk-flutter-engine

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.