ref(relay): Update axum-extra and otel-proto libs #14389

Job	Run time
Lint	3m 42s
Setup build metadata	1s
Lint Rust Default Features	1m 47s
Test (macos-latest)	2m 54s
Test All Features (ubuntu-latest)	4m 5s
Integration Tests	12m 32s
Test (windows-latest)	6m 54s
Test Python	1m 14s
Build Relay Binary (relay, x86_64-unknown-linux-gnu)	6m 6s
Build Docker Image (relay)	43s
Sentry-Relay Integration Tests	10m 34s
Publish Relay to DockerHub	0s
self-hosted-end-to-end	13m 20s
Publish Relay to GCR	0s
Upload build artifacts to gocd	0s
	1h 3m 52s

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