SEATTLE — Festival lineup announcements keep rolling in, with Watershed country music fest the latest to unfurl its 2022 slate. Washington’s premier country bash returns to the Gorge Amphitheatre July 29-31, headlined by Miranda Lambert, Kane Brown and polarizing star Morgan Wallen. Three-day passes start at $225 and go on sale at 10 a.m. Feb. 11. Brown is fresh off rockin’ Climate Pledge Arena, while Lambert earned critical praise with last year’s stripped-down pandemic album, “The Marfa Tapes,” written and recorded with singer-songwriters Jack Ingram and Jon Randall. Fans sniffed out Wallen’…