Allow GC to collect unneeded slice elements #14839

Job	Run time
lint	2m 0s
compatibility-test (1.23.0, ubuntu-latest, 386)	26s
test-bench	39s
test-concurrent-safe	3m 50s
compatibility-test (1.23.0, ubuntu-latest, amd64)	1m 13s
compatibility-test (1.23.0, otel-linux-arm64, arm64)	31s
test-coverage	57s
test-race	2m 10s
compatibility-test (1.23.0, macos-13, amd64)	1m 9s
compatibility-test (1.23.0, macos-latest, arm64)	36s
compatibility-test (1.23.0, windows-latest, 386)	1m 42s
compatibility-test (1.23.0, windows-latest, amd64)	3m 22s
compatibility-test (~1.22.5, ubuntu-latest, 386)	36s
compatibility-test (~1.22.5, ubuntu-latest, amd64)	1m 2s
compatibility-test (~1.22.5, otel-linux-arm64, arm64)	41s
compatibility-test (~1.22.5, macos-13, amd64)	1m 0s
compatibility-test (~1.22.5, macos-latest, arm64)	1m 9s
compatibility-test (~1.22.5, windows-latest, 386)	3m 5s
compatibility-test (~1.22.5, windows-latest, amd64)	3m 46s
codecov	6s
test-compatibility	1s
	30m 1s

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