[Backport 2.x] Bumps snakeyaml to 2.0

[owaiskazi19]

Description

Backport of #6511

Issues Resolved

[List any issues this PR will resolve]

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
• Commit changes are listed out in CHANGELOG.md file (See: Changelog)

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: SUCCESS ✅
• URL: https://build.ci.opensearch.org/job/gradle-check/11838/
• CommitID: 4efa769

[codecov-commenter]

Codecov Report

Merging #6516 (4efa769) into 2.x (ed73582) will increase coverage by 70.41%.
The diff coverage is 100.00%.

📣 This organization is not using Codecov’s GitHub App Integration. We recommend you install it so Codecov can continue to function properly for your repositories. Learn more

@@            Coverage Diff             @@
##             2.x    #6516       +/-   ##
==========================================
+ Coverage       0   70.41%   +70.41%     
- Complexity     0    59309    +59309     
==========================================
  Files          0     4798     +4798     
  Lines          0   284439   +284439     
  Branches       0    41330    +41330     
==========================================
+ Hits           0   200276   +200276     
- Misses         0    67371    +67371     
- Partials       0    16792    +16792     

Impacted Files	Coverage Δ
...a/org/opensearch/extensions/ExtensionsManager.java	45.62% <100.00%> (ø)
...search/analysis/common/BasqueAnalyzerProvider.java	0.00% <0.00%> (ø)
...h/index/store/OpenSearchBaseDirectoryTestCase.java	75.00% <0.00%> (ø)
.../org/opensearch/gradle/test/RestIntegTestTask.java	0.00% <0.00%> (ø)
...java/org/opensearch/nio/utils/ByteBufferUtils.java	90.90% <0.00%> (ø)
...ava/org/opensearch/painless/node/EBooleanComp.java	100.00% <0.00%> (ø)
...search/common/concurrent/RefCountedReleasable.java	100.00% <0.00%> (ø)
...histogram/AutoDateHistogramAggregationBuilder.java	83.84% <0.00%> (ø)
...org/opensearch/ResourceAlreadyExistsException.java	100.00% <0.00%> (ø)
.../org/opensearch/repositories/ShardGenerations.java	81.42% <0.00%> (ø)
... and 4789 more

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.