Fix color in kubens success message

[kingdonb]

Borrowed from @caarlos0 who mentioned a solution in #228, I think this is cleaned up for merge now in this PR.

Tested manually just a few cases, this appears to work 👍 let me know if I missed anything important @caarlos0

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[kingdonb]

@googlebot I signed it!

[googlebot]

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[kingdonb]

@jdharmon Could you satisfy the google bot here and reply @googlebot I consent. as it requests

[caarlos0]

Isn't this what was already done in #228?

[kingdonb]

Yes, I see it wasn't merged... this one has been rebased and squashed. Sorry, I'm mixed up. I pulled your main branch @caarlos0 and totally disregarded that #228 was a PR at all. Either one can be merged, I'm just providing the confirmation.