assets: Update Noto Color Emoji font to v2.048, for Unicode 16

Downloaded from:
  https://github.com/googlefonts/noto-emoji/blob/b3e3051a0/fonts/Noto-COLRv1.ttf

See Unicode 16 Emoji changelog:
  https://www.unicode.org/emoji/charts-16.0/emoji-released.html

For full Unicode 16 support (new emoji reactions and :emoji_name:),
the server will need an update for emoji data, CZO thread:
  https://chat.zulip.org/#narrow/channel/9-issues/topic/seems.20like.20server.20doesn't.20parse.20unicode.2015.20emojis.20yet/near/2253956

Author: rajveermalviya