Add color token $border-tile to color usage tab

[laurenmrice]

Add color tokens $border-tile-01,$border-tile-02, $border-tile-03 color tokens to the Color Usage tab table.

• White theme
• Gray 10 theme
• Gray 90 theme
• Gray 100 theme

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Color token values

border-tile-01

White theme	Gray 10 theme	Gray 90 theme	Gray 100 theme
Gray 30 (#c6c6c6)	Gray 40 (#a8a8a8)	Gray 60 (#6f6f6f)	Gray 70 (#525252)

border-tile-02

White theme	Gray 10 theme	Gray 90 theme	Gray 100 theme
Gray 40 (#a8a8a8)	Gray 30 (#c6c6c6)	Gray 50 (#8d8d8d)	Gray 60 (#6f6f6f)

border-tile-03

White theme	Gray 10 theme	Gray 90 theme	Gray 100 theme
Gray 30 (#c6c6c6)	Gray 40 (#a8a8a8)	Gray 40 (#a8a8a8)	Gray 50 (#8d8d8d)

[sstrubberg]

Need to update the Figma kit. Roll this into the Tile epic.

carbon-design-system/carbon#13217

[laurenmrice]

@sstrubberg I've made a design kit issue for this in the carbon-design-kit repo #650