Roll fuchsia/sdk/core/mac-amd64 from x6sVj... to jtwQF... (flutter#16320

)

Roll fuchsia/sdk/core/mac-amd64 from x6sVj... to jtwQF...

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/fuchsia-mac-sdk-flutter-engine
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is aware of the problem.

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DEPS

@@ -529,7 +529,7 @@ deps = {
      'packages': [
        {
         'package': 'fuchsia/sdk/core/mac-amd64',
-        'version': 'x6sVjdDJ5v08y_Vb3-Xy3o1zv5h83d5pY1AQsJFmCqIC'
+        'version': 'jtwQFs1PShUa8bCVaxfdZbhDAnsftUnPS_BkhpnxP9AC'
        }
      ],
      'condition': 'host_os == "mac"',