Bump jackson and snakeyaml dependencies

[owaiskazi19]

Is your feature request related to a problem?
Core has bumped jackson and snakeyaml dependencies here to 2.13.4 and 1.32 respectively for versions 2.x, 2.3 , 2.2 , 2.1 , 2.0, 1.3 and 1.x. Plugin and client teams should do the same to align with core.

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[sbcd90]

Alerting uses the versions.jackson variable to specify jackson version & does not use snakeyaml directly. https://github.com/opensearch-project/alerting/blob/2.x/alerting/build.gradle#L64-#L65 I tested the version dependencies in 2.x branch where the current core PR #4556 is backported.

the jackson & snakeyaml versions are correct.