Roll Fuchsia Linux SDK from Q4Oq8NRW2yeBrgy4b... to 8X61T1htYuHQtWtFv... (flutter/engine#43492)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/fuchsia-linux-sdk-flutter-engine
Please CC aaclarke@google.com,rmistry@google.com,zra@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

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

DEPS

@@ -899,7 +899,7 @@ deps = {
      'packages': [
        {
         'package': 'fuchsia/sdk/core/linux-amd64',
-        'version': 'Q4Oq8NRW2yeBrgy4bUuNCaaMHWiTW0fF0oMdq58NFpQC'
+        'version': '8X61T1htYuHQtWtFvxYbyx4PJau6HszSWtm3AUe76OgC'
        }
      ],
      'condition': 'host_os == "linux" and not download_fuchsia_sdk',

engine/src/flutter/ci/licenses_golden/licenses_fuchsia

@@ -1,4 +1,4 @@
-Signature: fcc379576bbc8bbcdd4e50e079e5d635
+Signature: 869820427b3df810a57db645de904496
 
 ====================================================================================================
 LIBRARY: fuchsia_sdk