[Backport] Upgrading gson to 2.8.9 (#1541)

[VachaShah]

Signed-off-by: Vacha [email protected]

Description

Backport of #1541

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

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[opensearch-ci-bot]

Can one of the admins verify this patch?

[opensearch-ci-bot]

✅   Gradle Wrapper Validation success 0f1eb21

[opensearch-ci-bot]

✅   Gradle Precommit success 0f1eb21

[dblock]

I don't think we should be backporting this into 1.2, hasn't that ship sailed?

[VachaShah]

I don't think we should be backporting this into 1.2, hasn't that ship sailed?

Backporting this to 1.2 since it is related to google/gson#1991

[opensearch-ci-bot]

❌   Gradle Check failure 0f1eb21
Log 1087

Reports 1087

[VachaShah]

❌   Gradle Check failure 0f1eb21 Log 1087

Reports 1087

REPRODUCE WITH: ./gradlew ':distribution:tools:plugin-cli:test' --tests "org.opensearch.plugins.InstallPluginCommandTests" -Dtests.method="testOfficialPluginSnapshot {p0=com.google.common.jimfs.JimfsFileSystem@7b5b4f4d p1=org.opensearch.plugins.InstallPluginCommandTests$1Parameter$$Lambda$211/0x0000000800d72208@5ec1bf50}" -Dtests.seed=914519AA9C3BBE1F -Dtests.security.manager=false -Dtests.jvm.argline="-XX:TieredStopAtLevel=1 -XX:ReservedCodeCacheSize=64m" -Dtests.locale=ru-RU -Dtests.timezone=Europe/Vaduz -Druntime.java=15
  2> java.lang.Exception: Test abandoned because suite timeout was reached.

[VachaShah]

start gradle check

[opensearch-ci-bot]

✅   Gradle Check success 0f1eb21
Log 1092

Reports 1092