Bump version to 1.3.1

[gaiksaya]

Is your feature request related to a problem? Please provide an existing Issue # , or describe.
opensearch-project/opensearch-build#1805

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Commits are signed per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
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[codecov-commenter]

Codecov Report

Merging #150 (3b9135f) into 1.3 (582c776) will increase coverage by 0.02%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##                1.3     #150      +/-   ##
============================================
+ Coverage     72.02%   72.05%   +0.02%     
  Complexity     2962     2962              
============================================
  Files           376      376              
  Lines         18834    18834              
  Branches       1465     1465              
============================================
+ Hits          13565    13570       +5     
+ Misses         4685     4680       -5     
  Partials        584      584              

Impacted Files	Coverage Δ
...nalyzer/rca/net/handler/PublishRequestHandler.java	80.00% <0.00%> (+6.00%)	⬆️
.../org/opensearch/performanceanalyzer/core/Util.java	70.83% <0.00%> (+8.33%)	⬆️

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[gaiksaya]

Hi @opensearch-project/performance-analyzer team, can someone take a look at failing CIs and let me know if anything needs to be changed? Thanks!

[gaiksaya]

Hey @kkhatua , there are some failing tests here. Any idea what's wrong? or can anyone look into it?
Thanks!