[Backport 1.3] Upgraded to protostuff 1.8.0.

[dblock]

Signed-off-by: dblock [email protected]

Description

Backport of #439 to 1.3.

Issues Resolved

Half of #433.

Check List

• Commits are signed per the DCO using --signoff

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[dblock]

Opened #442 for the flakey JDK 14 failed run.

[codecov-commenter]

Codecov Report

Merging #440 (ff8178f) into 1.3 (5a3be00) will increase coverage by 0.27%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##                1.3     #440      +/-   ##
============================================
+ Coverage     77.68%   77.95%   +0.27%     
- Complexity     4109     4130      +21     
============================================
  Files           296      296              
  Lines         17669    17669              
  Branches       1878     1878              
============================================
+ Hits          13726    13774      +48     
+ Misses         3039     2999      -40     
+ Partials        904      896       -8     

Flag	Coverage Δ
plugin	77.95% <ø> (+0.27%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...rch/ad/transport/AnomalyResultTransportAction.java	80.86% <0.00%> (+0.68%)	⬆️
...ain/java/org/opensearch/ad/task/ADTaskManager.java	77.96% <0.00%> (+1.05%)	⬆️
...ain/java/org/opensearch/ad/model/ModelProfile.java	72.72% <0.00%> (+1.81%)	⬆️
...ava/org/opensearch/ad/task/ADHCBatchTaskCache.java	91.35% <0.00%> (+2.46%)	⬆️
...ansport/handler/AnomalyResultBulkIndexHandler.java	70.96% <0.00%> (+3.22%)	⬆️
...java/org/opensearch/ad/task/ADBatchTaskRunner.java	85.25% <0.00%> (+3.64%)	⬆️
...port/SearchAnomalyDetectorInfoTransportAction.java	68.88% <0.00%> (+4.44%)	⬆️