ref(relay): Fix Rust 1.83 lints #16573

Job	Run time
Test (macos-latest)	1m 58s
Lint Rust Default Features	55s
Lint	2m 9s
Test (windows-latest)	2m 3s
Setup build metadata	1s
Test All Features (ubuntu-latest)	2m 18s
Integration Tests	2m 19s
Test Python	1m 48s
Build Relay Binary (relay, x86_64-unknown-linux-gnu)	2m 8s
Build Docker Image	1s
Publish Relay to DockerHub	1s
Upload build artifacts to gocd	1s
Publish Relay to GCR	1s
Sentry-Relay Integration Tests	1s
self-hosted-end-to-end	1s
	15m 45s

Provide feedback