Prep version numbers for Speech GA.

[kolea2]

Fixes#4915

[kolea2]

@crwilcox FYI

[codecov]

Codecov Report

Merging #4970 into master will decrease coverage by 0.64%.
The diff coverage is n/a.

@@ Coverage Diff @@## master #4970 +/- ##
============================================
- Coverage 50.32% 49.67% -0.65% + Complexity 23666 22299 -1367 
============================================
Files 2238 2238 Lines 226045 221333 -4712 Branches 24957 24079 -878 ============================================
- Hits 113753 109947 -3806 + Misses 103696 102931 -765 + Partials 8596 8455 -141

Impacted Files	Coverage Δ	Complexity Δ
.../java/com/google/cloud/testing/CommandWrapper.java	90.9% <0%> (-6.07%)	13% <0%> (ø)
...in/java/com/google/cloud/storage/StorageBatch.java	88% <0%> (-4%)	13% <0%> (ø)
...e/cloud/vision/v1p4beta1/ImageAnnotatorClient.java	58.69% <0%> (-3.31%)	15% <0%> (-4%)
...gle/cloud/storage/testing/RemoteStorageHelper.java	61.98% <0%> (-3.06%)	9% <0%> (ø)
...m/google/cloud/vision/v1/ImageAnnotatorClient.java	47.05% <0%> (-2.95%)	9% <0%> (-2%)
...e/cloud/vision/v1p3beta1/ImageAnnotatorClient.java	47.05% <0%> (-2.95%)	9% <0%> (-2%)
...e/cloud/vision/v1p2beta1/ImageAnnotatorClient.java	47.05% <0%> (-2.95%)	9% <0%> (-2%)
.../java/com/google/cloud/speech/v1/SpeechClient.java	48.57% <0%> (-2.78%)	10% <0%> (-2%)
...om/google/cloud/speech/v1p1beta1/SpeechClient.java	48.57% <0%> (-2.78%)	10% <0%> (-2%)
...d/webrisk/v1beta1/WebRiskServiceV1Beta1Client.java	63.41% <0%> (-2.5%)	12% <0%> (-3%)
... and 542 more

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