waveform::clear() #38

Job	Run time
coverage - measure	2m 31s
sanitizer - debian:bookworm	2m 15s
linux - debian:bullseye	2m 48s
sanitizer - arm32v7/debian:bookworm	13m 29s
linux - arm32v7/debian:bullseye	12m 44s
sanitizer - arm64v8/debian:bookworm	3m 31s
linux - arm64v8/debian:bullseye	3m 32s
linux - debian:bookworm	2m 44s
linux - arm32v7/debian:bookworm	14m 26s
linux - arm64v8/debian:bookworm	2m 55s
linux - ubuntu:jammy	2m 21s
linux - igagis/raspbian:bullseye	8m 37s
linux - igagis/raspbian:bookworm	10m 19s
	1h 22m 12s

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