chore(deps): update dependency com.google.protobuf:protobuf-java to v3.11.1

[renovate-bot]

This PR contains the following updates:

Package	Update	Change
com.google.protobuf:protobuf-java	minor	3.10.0 -> 3.11.1

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[codecov]

Codecov Report

Merging #23 into master will decrease coverage by 0.24%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master      #23      +/-   ##
============================================
- Coverage      75.1%   74.86%   -0.25%     
- Complexity      557      635      +78     
============================================
  Files            48       48              
  Lines          4773     5029     +256     
  Branches         59       59              
============================================
+ Hits           3585     3765     +180     
- Misses         1154     1181      +27     
- Partials         34       83      +49

Impacted Files	Coverage Δ	Complexity Δ
...le/cloud/vision/v1p3beta1/ProductSearchClient.java	64.38% <0%> (-5.35%)	75% <0%> (+18%)
...le/cloud/vision/v1p4beta1/ProductSearchClient.java	63.94% <0%> (-5.26%)	75% <0%> (+18%)
...om/google/cloud/vision/v1/ProductSearchClient.java	61.34% <0%> (-4.64%)	80% <0%> (+19%)
...loud/vision/v1/stub/ProductSearchStubSettings.java	83.15% <0%> (+0.13%)	31% <0%> (+1%)	⬆️
...sion/v1p4beta1/stub/ProductSearchStubSettings.java	82.11% <0%> (+0.15%)	30% <0%> (+1%)	⬆️
...sion/v1p3beta1/stub/ProductSearchStubSettings.java	81.92% <0%> (+0.16%)	29% <0%> (+1%)	⬆️
...ion/v1p4beta1/stub/ImageAnnotatorStubSettings.java	85.54% <0%> (+0.17%)	15% <0%> (ø)	⬇️
...oud/vision/v1/stub/ImageAnnotatorStubSettings.java	85.54% <0%> (+0.17%)	15% <0%> (ø)	⬇️
...d/vision/v1p3beta1/stub/GrpcProductSearchStub.java	96.91% <0%> (+0.27%)	26% <0%> (+1%)	⬆️
...le/cloud/vision/v1/stub/GrpcProductSearchStub.java	96.86% <0%> (+0.28%)	27% <0%> (+1%)	⬆️
... and 14 more

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