fix(summonerd): colorized cli output, via clap v3 #3264
Merged
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Downgrades clap in summonerd v4 -> v3, to match other CLI tooling. Essentially reverts 7bb3e80. With clap v3, there's extra whitespace between long-arg descriptions, due to our use of long_about in summonerd help docs. A major downside to clap v4 is colorized output doesn't appear to be supported for derive-style (it may be for builder-style, but we don't use that).
There's upstream progress on stabling color support, but until then, let's just stick with v3 and put up with the whitespace.