[Bug]: Datadog sample throwing error

[Snamnik]

What happened?

When I run the following command in the repo main branch:

cargo run --example datadog

Getting the error:

Error: ExportFailed(NoHttpClient)

API Version

0.30

SDK Version

0.30

What component are you working with?

No response

Relevant log output

warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
package:   /opentelemetry-rust-contrib-main/stress/Cargo.toml
workspace: /opentelemetry-rust-contrib-main/Cargo.toml
    Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.74s
     Running `target/debug/examples/datadog`
Error: ExportFailed(NoHttpClient)

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