Bump go.opentelemetry.io/proto/otlp from 1.4.0 to 1.5.0 #10321

Job	Run time
Benchmark	9m 48s
Build	2m 3s
Run integration tests (test-e2e)	20m 50s
Lint	3m 34s
Run integration tests (test-integration-poller)	9m 50s
Run integration tests (test-e2e-deployments)	14m 5s
Run Unit Tests (test-with-cover-pkg)	3m 50s
Run Unit Tests (test-with-cover-tempodb)	16m 12s
Build technical documentation	18s
Run Unit Tests (test-with-cover-tempodb-wal)	11m 11s
Run Unit Tests (test-with-cover-others)	12m 53s
Check jsonnet & tempo-mixin	46s
Vendor check	1m 19s
	1h 46m 39s

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