docs(website): make icon grayscale for consistency

[deepyaman]

Description of changes

New

Old

[lostmygithubaccount]

can let Phillip speak for himself but he mentioned that he liked having it stand out at one point (personally I'm in favor of making it grey, but not a super strong opinion)

[deepyaman]

can let Phillip speak for himself but he mentioned that he liked having it stand out at one point (personally I'm in favor of making it grey, but not a super strong opinion)

Got it. Free for him to close then, if left intentionally blue.

[ibis-docs-bot[bot]]

Docs preview: https://pr-9100-7a3b97233c1c6f36c95d58afed7ae3590f24dd9a--ibis-quarto.netlify.app

[cpcloud]

Seems fine!