Use `--quiet --quiet` by default for `om ci` and `om show` #1262

Job	Run time
main (x86_64-linux, false)	2m 39s
main (aarch64-darwin, false)	5m 33s
static-binary-check (ubuntu-latest)	3s
static-binary-check (macos-latest)	6s
website	0s
	8m 21s

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