fix: restore GAPIC v2 retry configs

[yoshi-automation]

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PiperOrigin-RevId: 312088359
Source-Link: googleapis/googleapis@5a90d46

[codecov]

Codecov Report

Merging #170 into master will increase coverage by 10.34%.
The diff coverage is 76.42%.

@@              Coverage Diff              @@
##             master     #170       +/-   ##
=============================================
+ Coverage     67.94%   78.29%   +10.34%     
- Complexity      201      236       +35     
=============================================
  Files             6        6               
  Lines          1273     2216      +943     
  Branches          9       37       +28     
=============================================
+ Hits            865     1735      +870     
- Misses          366      432       +66     
- Partials         42       49        +7     

Impacted Files	Coverage Δ	Complexity Δ
...alabeling/v1beta1/DataLabelingServiceSettings.java	6.48% <0.00%> (-0.13%)	2.00 <0.00> (ø)
...labeling/v1beta1/stub/DataLabelingServiceStub.java	1.96% <0.00%> (ø)	1.00 <0.00> (ø)
...atalabeling/v1beta1/DataLabelingServiceClient.java	65.54% <54.32%> (+2.02%)	137.00 <26.00> (+33.00)
.../v1beta1/stub/DataLabelingServiceStubSettings.java	84.44% <89.47%> (+7.29%)	50.00 <6.00> (+1.00)
...ling/v1beta1/stub/GrpcDataLabelingServiceStub.java	96.98% <99.06%> (+3.81%)	42.00 <7.00> (+1.00)

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