Remove Unsafe usage in aws-xray module

[trask]

Component(s)

aws-xray

Is your feature request related to a problem? Please describe.

See #2397 (review):

you should consider whether you wish to use caffeine in

opentelemetry-java-contrib/aws-xray/build.gradle.kts

Line 29 in 077cd6e

implementation("com.github.ben-manes.caffeine:caffeine:2.9.3")

. Version 3 requires java 11, version 2 uses sun.misc.Unsafe that will stop working in default configuration in jdk 26.

Describe the solution you'd like

Remove Unsafe usage

Describe alternatives you've considered

No response

Additional context

No response

Tip

_{React with 👍 to help prioritize this issue. Please use comments to provide useful context, avoiding +1 or me too, to help us triage it. Learn more here.}