[MD]Re-import @opensearch-project/opensearch@^2.1.0 from alias

[zhongnansu]

Inspired by #3469

• Alias @opensearch-project/opensearch@^2.1.0 to @openearch-project/opensearch-next
• Re-import modules in Multiple DataSource plugin to re-import from the aliases

Description

[Describe what this change achieves]

Issues Resolved

[List any issues this PR will resolve]

Check List

• All tests pass
  • yarn test:jest
  • yarn test:jest_integration
  • yarn test:ftr
• New functionality includes testing.
• New functionality has been documented.
• Update CHANGELOG.md
• Commits are signed per the DCO using --signoff

[codecov-commenter]

Codecov Report

Merging #3471 (2b5c565) into main (f5ee06d) will not change coverage.
The diff coverage is 100.00%.

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@@           Coverage Diff           @@
##             main    #3471   +/-   ##
=======================================
  Coverage   66.43%   66.43%           
=======================================
  Files        3205     3205           
  Lines       61559    61559           
  Branches     9494     9494           
=======================================
  Hits        40896    40896           
  Misses      18394    18394           
  Partials     2269     2269           

Flag	Coverage Δ
Linux	66.37% <100.00%> (ø)
Windows	66.38% <100.00%> (ø)

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

Impacted Files	Coverage Δ
...plugins/data_source/server/client/client_config.ts	100.00% <ø> (ø)
...c/plugins/data_source/server/client/client_pool.ts	46.66% <ø> (ø)
...gins/data_source/server/client/configure_client.ts	46.66% <ø> (ø)
...ata_source/server/client/configure_client_utils.ts	64.70% <ø> (ø)
...ta_source/server/legacy/configure_legacy_client.ts	59.61% <ø> (ø)
src/plugins/data_source/server/lib/error.ts	100.00% <ø> (ø)
...ource/server/client/configure_client.test.mocks.ts	100.00% <100.00%> (ø)

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