all: update Ebitengine to v2.8.7

Author: hajimehoshi

go.mod

@@ -4,7 +4,7 @@ go 1.23.0
 
 require (
 	github.com/hajimehoshi/bitmapfont/v3 v3.2.1
-	github.com/hajimehoshi/ebiten/v2 v2.8.6
+	github.com/hajimehoshi/ebiten/v2 v2.8.7
 	github.com/kisielk/errcheck v1.9.0
 	github.com/rivo/uniseg v0.4.7
 	golang.org/x/tools v0.31.0

go.sum

@@ -12,8 +12,8 @@ github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/hajimehoshi/bitmapfont/v3 v3.2.1 h1:33Lw85DZolX3upouUqf6Qza8HYGIROvr7SYin7PzIZ8=
 github.com/hajimehoshi/bitmapfont/v3 v3.2.1/go.mod h1:8gLqGatKVu0pwcNCJguW3Igg9WQqVXF0zg/RvrGQWyg=
-github.com/hajimehoshi/ebiten/v2 v2.8.6 h1:Dkd/sYI0TYyZRCE7GVxV59XC+WCi2BbGAbIBjXeVC1U=
-github.com/hajimehoshi/ebiten/v2 v2.8.6/go.mod h1:cCQ3np7rdmaJa1ZnvslraVlpxNb3wCjEnAP1LHNyXNA=
+github.com/hajimehoshi/ebiten/v2 v2.8.7 h1:DnvNZuB8RF0ffOUTuqaXHl9d51VAT9XYfEMQPYD37v4=
+github.com/hajimehoshi/ebiten/v2 v2.8.7/go.mod h1:durJ05+OYnio9b8q0sEtOgaNeBEQG7Yr7lRviAciYbs=
 github.com/jezek/xgb v1.1.1 h1:bE/r8ZZtSv7l9gk6nU0mYx51aXrvnyb44892TwSaqS4=
 github.com/jezek/xgb v1.1.1/go.mod h1:nrhwO0FX/enq75I7Y7G8iN1ubpSGZEiA3v9e9GyRFlk=
 github.com/kisielk/errcheck v1.9.0 h1:9xt1zI9EBfcYBvdU1nVrzMzzUPUtPKs9bVSIM3TAb3M=