feat: add celebrity face detection to v1p4beta

[chingor13]

No description provided.

[codecov]

Codecov Report

Merging #13 into master will decrease coverage by 0.02%.
The diff coverage is 71.42%.

@@             Coverage Diff              @@
##             master      #13      +/-   ##
============================================
- Coverage     74.88%   74.86%   -0.03%     
- Complexity      634      635       +1     
============================================
  Files            48       48              
  Lines          4994     5029      +35     
  Branches         59       59              
============================================
+ Hits           3740     3765      +25     
- Misses         1171     1181      +10     
  Partials         83       83

Impacted Files	Coverage Δ	Complexity Δ
...e/cloud/vision/v1p4beta1/ImageAnnotatorClient.java	62% <ø> (ø)	19 <0> (ø)	⬇️
...le/cloud/vision/v1p4beta1/ProductSearchClient.java	63.94% <0%> (-0.44%)	75 <0> (ø)
.../cloud/vision/v1p4beta1/ProductSearchSettings.java	10.44% <0%> (-0.33%)	2 <0> (ø)
...cloud/vision/v1p4beta1/stub/ProductSearchStub.java	3.84% <0%> (-0.16%)	1 <0> (ø)
...d/vision/v1p4beta1/stub/GrpcProductSearchStub.java	96.15% <80.95%> (-0.76%)	26 <0> (ø)
...sion/v1p4beta1/stub/ProductSearchStubSettings.java	82.11% <88.88%> (+0.18%)	30 <1> (+1)	⬆️

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