docs(lambda): update handler docs

[duncanista]

What?

Updates docs to use the same handler for AWS Lambda instrumentation.

Notes

Requires open-telemetry/opentelemetry-lambda#1837 to be merged first.

[tiffany76]

Hi @duncanista, thanks very much for keeping the docs updated! We appreciate the initiative.

I've made a couple copy edit suggestions, and we should also get the @open-telemetry/lambda-extension-approvers to sign off.

Finally, while we appreciate the effort, please revert the changes to the localized version of this page. To keep track of drift, we have a more involved process for updating localized pages, and it's best to leave it to the localization teams.

[tylerbenson]

Thanks for submitting this. I suggest we hold off on merging till after open-telemetry/opentelemetry-lambda#1837 is released though.

[tiffany76]

No changes needed, I'm just using this to block merging until we're ready.

[svrnm]

looks like open-telemetry/opentelemetry-lambda#1837 is merged, so we can unblock?

[tylerbenson]

Thanks for checking, but hasn't been released yet. We will circle back when we do.

[tylerbenson]

Ok, this has been released now. Thanks.

[opentelemetrybot]

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