v0.16.0

What's Changed

Updated readme with actual argument by @Godofnothing in https://github.com/letta-ai/letta/pull/3083
fix: Implement architecture-specific OTEL installation logic by @SootyOwl in https://github.com/letta-ai/letta/pull/3061
chore: bump v0.16.0 by @carenthomas in https://github.com/letta-ai/letta/pull/3095

@Godofnothing made their first contribution in https://github.com/letta-ai/letta/pull/3083
@SootyOwl made their first contribution in https://github.com/letta-ai/letta/pull/3061

Full Changelog: https://github.com/letta-ai/letta/compare/0.15.1...0.16.0