pkg(scan): use bullseye for go image variant

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

Author: crazy-max

pkg/scan/Makefile

@@ -16,6 +16,7 @@ include ../../common/vars.mk
 
 # https://github.com/docker/scan-cli-plugin/blob/main/Dockerfile#L19
 export GO_VERSION = 1.19.10
+export GO_IMAGE_VARIANT = bullseye
 
 DESTDIR ?= $(BASEDIR)/bin
 BAKE_DEFINITIONS ?= -f docker-bake.hcl -f ../../common/packages.hcl