I don't see any announcement (except the one from a few weeks ago stating prices would change) but it looks like prices on the Nintendo Canada store have been updated.
1p games are now 84.99 (from 79.99)
Switch 1 is now 419.99 (from 399.99)
Switch 1 OLED is now 489.99 (from 449.99)
Source: https://www.nintendo.com/en-ca/store/
by ArchaiosFiniks