Post-refresh: Update semantic button + disabled/muted text colors
Created by: umpox
- success-02/Dark to
#156724
- danger-02/Dark to
#6B1515
- warning-02/Dark to
#815504
- info-02/Dark to
#05454E
- Set
text-disabled
togray-06
on both themes - Set
text-muted
togray-06
in dark theme
closes https://github.com/sourcegraph/sourcegraph/issues/21601