Move Isolate-related exports to sentry_io.dart

[mnordine]

Fixes #1369

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (464b4d0) 89.90% compared to head (f68ed0a) 89.90%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1371   +/-   ##
=======================================
  Coverage   89.90%   89.90%           
=======================================
  Files         179      179           
  Lines        5755     5755           
=======================================
  Hits         5174     5174           
  Misses        581      581           

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[marandaneto]

@mnordine Can you address and provide more info as asked here?

I'm not against the change but there's a trade-off here and I can't reproduce your issue.
People would need to import sentry_io.dart instead of sentry.dart.

[marandaneto]

@mnordine can you add a changelog entry?

[mnordine]

@marandaneto Do you want me to update pubspec.yaml, too?

[marandaneto]

@marandaneto Do you want me to update pubspec.yaml, too?

The release process does it automatically.

[marandaneto]

Thanks @mnordine