chore: release 0.4.0

[release-please]

🤖 I have created a release *beep* *boop*

0.4.0 (2021-01-29)

⚠ BREAKING CHANGES

• Apply namespace/package options to RecommendationEngine resources proto. (fix!: Apply namespace/package options to RecommendationEngine resources proto. #210)

Bug Fixes

• Apply namespace/package options to RecommendationEngine resources proto. (#210) (d3fd7c3)

Dependencies

• update dependency com.google.cloud:google-cloud-shared-dependencies to v0.16.0 (#208) (c749372)
• update dependency com.google.cloud:google-cloud-shared-dependencies to v0.16.1 (b98fdc4)
• update dependency com.google.cloud:google-cloud-shared-dependencies to v0.17.0 (#228) (1740c66)
• update dependency com.google.cloud:google-cloud-shared-dependencies to v0.18.0 (#235) (fb4740b)

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[codecov]

Codecov Report

Merging #212 (3bc9fe5) into master (941cc24) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #212   +/-   ##
=========================================
  Coverage     74.28%   74.28%           
  Complexity      228      228           
=========================================
  Files            24       24           
  Lines          1583     1583           
  Branches         22       22           
=========================================
  Hits           1176     1176           
  Misses          383      383           
  Partials         24       24           

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