chore: release 0.2.1

[release-please]

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

0.2.1 (2020-08-28)

Bug Fixes

• Add Documentation (#221) (6c430da)
• Add more coverage (#220) (f92f828)
• add test coverage for cloudpubsub folder. (#218) (a70a60f)
• change toString to value in TopicStatsClient (#210) (30f0b10)
• Implement DefaultRoutingPolicyTest (#188) (fa49931)
• Improve test coverage for internal/wire folder. (#214) (db2bc7a)
• temporarily disable reporting to unblock releases (#225) (2b66535)

Reverts

• Revert "samples: update samples for automatic subscriber assignment (samples: update samples for automatic subscriber assignment #189)" (Revert "samples: update samples for automatic subscriber assignment" #198) (eefe717), closes #189 #198

Dependencies

• update dependency io.grpc:grpc-testing to v1.31.1 (#205) (219c832)
• update dependency org.mockito:mockito-core to v3.5.0 (#206) (7b3d297)
• update dependency org.mockito:mockito-core to v3.5.2 (#209) (a4ca349)
• update dependency org.mockito:mockito-core to v3.5.5 (#217) (a6afc60)
• update dependency org.mockito:mockito-core to v3.5.6 (#222) (f25077d)
• update dependency org.mockito:mockito-core to v3.5.7 (#224) (e4061ba)

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This PR was generated with Release Please.

[codecov]

Codecov Report

Merging #204 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #204   +/-   ##
=========================================
  Coverage     72.41%   72.41%           
  Complexity      742      742           
=========================================
  Files           135      135           
  Lines          3970     3970           
  Branches        204      204           
=========================================
  Hits           2875     2875           
  Misses          974      974           
  Partials        121      121           

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