tiny performance improvements #234

Job	Run time
build-test-harness (linux/arm64)	11m 49s
build-test-harness (linux/amd64)	8m 25s
build (linux/amd64, default)	13m 2s
build (linux/arm64, default)	13m 5s
build (linux/amd64, no-redis, --no-default-features --features otel,otlp, -no-redis)	12m 25s
build (linux/arm64, no-redis, --no-default-features --features otel,otlp, -no-redis)	12m 25s
build (linux/arm64, minimal, --no-default-features, -minimal)	13m 52s
build (linux/amd64, minimal, --no-default-features, -minimal)	12m 33s
build (linux/arm64, no-otel, --no-default-features --features redis-backend, -no-otel)	15m 5s
build (linux/amd64, no-otel, --no-default-features --features redis-backend, -no-otel)	13m 23s
merge-test-harness	57s
merge (no-redis, -no-redis)	14s
merge (no-otel, -no-otel)	18s
merge (minimal, -minimal)	21s
merge (default)	15s
	2h 8m 9s

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