Make moon icon more readable

[KTibow]

Proposed change

Increase the saturation value of the moon icon, so it has more contrast with white.

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New feature (thank you!)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Example configuration

Additional information

• This PR fixes or closes issue: fixes Weather card: moon icon has no contrast with default theme #6009
• This PR is related to issue:
• Link to documentation pull request:

Checklist

• The code change is tested and works locally.
• There is no commented out code in this PR.
• Tests have been added to verify that the new code works.

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated for www.home-assistant.io

Probably there are lots of snippets of the moon icon being that color, but it'd be too hard to update all of them.

[zsarnett]

Can you add an image of the comparisons?

[KTibow]

Previous:

After:

Still not as yellow as the sun icon:

[zsarnett]

I'm going to tag this for .115.