fix: exempt push relay endpoint from auth middleware #252

Job	Run time
Unit Tests (macOS)	2m 19s
Secret Scan (gitleaks)	8s
Server Unit Tests	37s
Web Tests	26s
Typecheck	34s
Lint	13s
Server DB Integration Tests	31s
Unit Tests (Node 20)	1m 52s
Unit Tests (Node 22)	1m 55s
Repo Provider Integration Tests	19s
Coverage Report	2m 17s
E2E Tests	38s
Docker Build & Push	58s
Publish to npm	2m 24s
	15m 11s

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