Fix the name for elasticsearch integration tests

[Ashmita152]

Signed-off-by: Ashmita Bohara ashmita.bohara152@gmail.com

Which problem is this PR solving?

Right now the opensearch integration tests show up as:

elasticsearch Opensearch 1.x

[codecov]

Codecov Report

Merging #3208 (d21f88e) into master (a818cd6) will decrease coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #3208      +/-   ##
==========================================
- Coverage   95.94%   95.91%   -0.03%     
==========================================
  Files         242      242              
  Lines       14786    14786              
==========================================
- Hits        14186    14182       -4     
- Misses        522      525       +3     
- Partials       78       79       +1     

Impacted Files	Coverage Δ
cmd/query/app/static_handler.go	95.80% <0.00%> (-1.20%)	⬇️
...lugin/sampling/strategystore/adaptive/processor.go	99.35% <0.00%> (-0.65%)	⬇️

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