[Backport] [2.x] Bump jackson from 2.14.2 to 2.15.0 (#7286)

[reta]

Backport of #7286 to 2.x

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ❕
• TEST FAILURES:

      1 org.opensearch.backwards.MixedClusterClientYamlTestSuiteIT.test {p0=pit/10_basic/Delete all}

• URL: https://build.ci.opensearch.org/job/gradle-check/14529/
• CommitID: 3809fb3
  Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

[codecov-commenter]

Codecov Report

Merging #7300 (3809fb3) into 2.x (cf6f7d8) will increase coverage by 0.02%.
The diff coverage is 0.00%.

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@@             Coverage Diff              @@
##                2.x    #7300      +/-   ##
============================================
+ Coverage     70.33%   70.36%   +0.02%     
- Complexity    59740    59747       +7     
============================================
  Files          4847     4850       +3     
  Lines        287153   287193      +40     
  Branches      41723    41727       +4     
============================================
+ Hits         201969   202073     +104     
+ Misses        68322    68201     -121     
- Partials      16862    16919      +57     

Impacted Files	Coverage Δ
...rg/opensearch/gradle/OpenSearchTestBasePlugin.java	6.59% <0.00%> (-0.47%)	⬇️
.../org/opensearch/gradle/jvm/JvmTestSuiteHelper.java	0.00% <0.00%> (ø)
...arch/gradle/precommit/TestingConventionsTasks.java	0.00% <0.00%> (ø)
.../org/opensearch/gradle/test/RestIntegTestTask.java	0.00% <0.00%> (ø)
...earch/gradle/test/TestSuiteConventionMappings.java	0.00% <0.00%> (ø)
...main/java/org/opensearch/gradle/test/TestTask.java	0.00% <0.00%> (ø)
...earch/index/SegmentReplicationPressureService.java	77.31% <ø> (ø)

... and 507 files with indirect coverage changes

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