Add phase_took feature to Search API

[ForeverSRC]

Description

The change is to add the phase_took feature in Search API start from OpenSearch 2.12

Example

GET /my-index-000001/_search?phase_took
{
  "took" : 105,
  "phase_took" : {
    "dfs_pre_query" : 0,
    "query" : 69,
    "fetch" : 22,
    "dfs_query" : 0,
    "expand" : 4,
    "can_match" : 0
  },
  "timed_out" : false,
  "_shards" : {
    "total" : 5,
    "successful" : 5,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
    "value" : 0,
    "relation" : "eq"
  },
  "max_score" : null,
  "hits" : [ ]
}

Reference:

• https://opensearch.org/blog/using-search-latency-monitoring/
• https://docs.opensearch.org/latest/api-reference/search-apis/search/

Issues Resolved

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 60.33%. Comparing base (06a6dc8) to head (385a706).
⚠️ Report is 115 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #722      +/-   ##
==========================================
+ Coverage   57.29%   60.33%   +3.04%     
==========================================
  Files         315      377      +62     
  Lines        9823    11698    +1875     
==========================================
+ Hits         5628     7058    +1430     
- Misses       2902     3205     +303     
- Partials     1293     1435     +142     

Flag	Coverage Δ
integration	52.85% <100.00%> (+2.01%)	⬆️
unit	14.92% <100.00%> (+2.07%)	⬆️

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

Files with missing lines	Coverage Δ
opensearchapi/api_search-params.go	90.56% <100.00%> (+83.23%)	⬆️
opensearchapi/api_search.go	100.00% <ø> (ø)

... and 109 files with indirect coverage changes

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[Jakob3xD]

It seems, this options was added in 2.12.x. Please add the SkipIfBelowVersion function of our internal test package to skip the test if the version does not support it.
Thank you.

[ForeverSRC]

It seems, this options was added in 2.12.x. Please add the SkipIfBelowVersion function of our internal test package to skip the test if the version does not support it. Thank you.

@Jakob3xD Thank you. I have added the SkipIfBelowVersion`.
However, it seems that some integration tests can be failed randomly, I'm not sure how to rerun them. Could you please give me some advice?