Roll Fuchsia Linux SDK from djUjSTaAtl0ETQSBR... to v7PGvypiiWLO8PbsZ... (#166136)

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
Please CC jimgraham@google.com,zra@google.com on the revert to ensure
that a human
is aware of the problem.

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https://github.com/flutter/flutter/issues/new/choose

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DEPS

@@ -813,7 +813,7 @@ deps = {
      'packages': [
        {
         'package': 'fuchsia/sdk/core/linux-amd64',
-        'version': 'djUjSTaAtl0ETQSBRmxQNXiKsXT1BW0rpn7LxkYiIqEC'
+        'version': 'v7PGvypiiWLO8PbsZM9bbkK-fcqgMCkJDZT1hB2hiSwC'
        }
      ],
      'condition': 'download_fuchsia_deps and not download_fuchsia_sdk',