assets: Update Noto Color Emoji font to v2.051, for Unicode 17

Downloaded from:
  https://github.com/googlefonts/noto-emoji/blob/8998f5dd6/fonts/Noto-COLRv1.ttf

See Unicode 17 Emoji changelog:
  https://www.unicode.org/emoji/charts-17.0/emoji-released.html

For full Unicode 17 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/new.20Unicode.20emoji/near/2260947

Author: rajveermalviya