games/jumpy: chase description after 2cff4cee

https://github.com/fishfolk/jumpy/commit/ad9e7877a991

games/jumpy/pkg-descr

-Fish Fight: Jumpy is a tactical 2D shooter, played by up to 4 players
+Fish Folk: Jumpy is a tactical 2D shooter, played by up to 4 players
 online or on a shared screen. Aim either left or right; the rest is up
 to clever movement and positioning in this fish-on-fish brawler! Made
 with Rust-lang and Macroquad.