Fix coverage report in Dart libraries

[rrousselGit]

No description provided.

[codecov]

Codecov Report

Merging #1849 (494015f) into master (52850a7) will decrease coverage by 4.51%.
The diff coverage is n/a.

Additional details and impacted files

@@             Coverage Diff             @@
##            master    #1849      +/-   ##
===========================================
- Coverage   100.00%   95.48%   -4.52%     
===========================================
  Files            3       49      +46     
  Lines           66     2059    +1993     
===========================================
+ Hits            66     1966    +1900     
- Misses           0       93      +93     

Impacted Files	Coverage Δ
...kages/riverpod/lib/src/framework/always_alive.dart	100.00% <0.00%> (ø)
packages/riverpod/lib/src/stack_trace.dart	100.00% <0.00%> (ø)
packages/riverpod/lib/src/framework/element.dart	98.25% <0.00%> (ø)
...ackages/riverpod/lib/src/future_provider/base.dart	100.00% <0.00%> (ø)
packages/riverpod/lib/src/async_notifier/base.dart	100.00% <0.00%> (ø)
...riverpod/lib/src/notifier/auto_dispose_family.dart	100.00% <0.00%> (ø)
packages/riverpod/lib/src/provider.dart	100.00% <0.00%> (ø)
packages/riverpod/lib/src/provider/base.dart	100.00% <0.00%> (ø)
...d/lib/src/framework/proxy_provider_listenable.dart	96.66% <0.00%> (ø)
packages/riverpod/lib/src/state_provider/base.dart	100.00% <0.00%> (ø)
... and 36 more