sysutils/docker-buildx: update to 0.31.0

sysutils/docker-buildx/Makefile

@@ -1,6 +1,6 @@
 COMMENT =		Docker CLI plugin for extended build capabilities
 
-V =			0.30.1
+V =			0.31.0
 GH_ACCOUNT =		docker
 GH_PROJECT =		buildx
 GH_TAGNAME =		v${V}

sysutils/docker-buildx/distinfo

@@ -1,2 +1,2 @@
-SHA256 (buildx-0.30.1.tar.gz) = 0WrbsRvoPt//ZG2KmA577xdotXEg5a81839w+X0MuqM=
-SIZE (buildx-0.30.1.tar.gz) = 13905293
+SHA256 (buildx-0.31.0.tar.gz) = Tm0E3/i/shUp21c0HKITs+lBMiddXhxnguArJ6G4/yc=
+SIZE (buildx-0.31.0.tar.gz) = 18006707