COD-1345: Do not gzip walltime reports #692

Job	Run time
plan	23s
build-local-artifacts (x86_64-unknown-linux-musl)	5m 50s
build-local-artifacts (aarch64-unknown-linux-musl)	5m 58s
build-global-artifacts	26s
host	0s
announce	0s
custom-bump-action	0s
	12m 37s

Provide feedback