Bump version to 1.11.0

[ChoiByungWook]

• bug-fix: setting health check timeout limit on local mode to 30s
• bug-fix: make Hyperparameters in local mode optional.
• enhancement: add support for volume KMS key to Transformer
• feature: add support for GovCloud

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[codecov-io]

Codecov Report

Merging #410 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #410   +/-   ##
=======================================
  Coverage   93.42%   93.42%           
=======================================
  Files          52       52           
  Lines        3665     3665           
=======================================
  Hits         3424     3424           
  Misses        241      241

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