Minor followups to LogProcessor #7824

Job	Run time
lint	3m 29s
msrv (windows-latest, 1.75.0)	2m 36s
external-types (opentelemetry)	1m 0s
msrv (ubuntu-latest, 1.75.0)	1m 27s
external-types (opentelemetry-sdk)	1m 7s
external-types (opentelemetry-otlp)	1m 20s
test (ubuntu-latest, stable)	2m 56s
external-types (opentelemetry-zipkin)	1m 13s
test (ubuntu-latest, beta)	2m 38s
test (stable, windows-latest)	6m 22s
cargo-deny	22s
test (stable, macos-latest)	2m 1s
coverage	2m 27s
test (stable, otel-linux-arm64)	3m 25s
docs	1m 19s
	33m 42s

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