Bump the version up to v0.11

[hrntsm]

Reference Issues/PRs

What does this implement/fix? Explain your changes.

Bump the version up to v0.11

[codecov]

Codecov Report

Attention: Patch coverage is 42.67606% with 814 lines in your changes are missing coverage. Please review.

❗ No coverage uploaded for pull request base (main@ebb4e3a). Click here to learn what that means.

Files	Patch %	Lines
Optuna/Visualization/Visualization.cs	0.00%	295 Missing ⚠️
Optuna/Storage/RDB/Storage.cs	87.71%	51 Missing and 7 partials ⚠️
Tunny.Core/Storage/SqliteStorage.cs	0.00%	54 Missing ⚠️
Tunny.Core/Util/TLog.cs	8.77%	52 Missing ⚠️
Optuna/Sampler/CmaEsSampler.cs	30.00%	28 Missing ⚠️
Tunny.Core/Settings/TSettings.cs	37.77%	27 Missing and 1 partial ⚠️
Tunny.Core/Util/PyConverter.cs	0.00%	27 Missing ⚠️
Optuna/Artifacts/Artifacts.cs	0.00%	22 Missing ⚠️
Optuna/Sampler/NSGAIISampler.cs	18.51%	22 Missing ⚠️
Tunny.Core/Input/Parameter.cs	0.00%	22 Missing ⚠️
... and 21 more

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #280   +/-   ##
=======================================
  Coverage        ?   46.26%           
=======================================
  Files           ?       39           
  Lines           ?     2166           
  Branches        ?      180           
=======================================
  Hits            ?     1002           
  Misses          ?     1135           
  Partials        ?       29           

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