chore: release 0.122.1-SNAPSHOT

[release-please]

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

Updating meta-information for bleeding-edge SNAPSHOT release.

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This PR was generated with Release Please.

[codecov]

Codecov Report

Merging #53 into master will increase coverage by 1.63%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master      #53      +/-   ##
============================================
+ Coverage     74.02%   75.65%   +1.63%     
- Complexity      105      108       +3     
============================================
  Files             7        7              
  Lines           920      920              
  Branches          6       15       +9     
============================================
+ Hits            681      696      +15     
+ Misses          210      204       -6     
+ Partials         29       20       -9

Impacted Files	Coverage Δ	Complexity Δ
...nsfer/v1/stub/DataTransferServiceStubSettings.java	80.69% <0%> (ø)	24% <0%> (ø)	⬇️
...y/datatransfer/v1/DataTransferServiceSettings.java	12.72% <0%> (ø)	2% <0%> (ø)	⬇️
...atransfer/v1/stub/GrpcDataTransferServiceStub.java	96.15% <0%> (+1.18%)	21% <0%> (+1%)	⬆️
...ery/datatransfer/v1/DataTransferServiceClient.java	66.22% <0%> (+4.82%)	57% <0%> (+2%)	⬆️

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