Update vendor and binaries script

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

hack/binaries

@@ -1,56 +1,16 @@
 #!/usr/bin/env bash
 
 . $(dirname $0)/util
+set -eu
 
 : ${TARGETPLATFORM=$CLI_PLATFORM}
-: ${CONTINUOUS_INTEGRATION=}
 
-set -ex
+platformFlag=""
+if [ -n "$TARGETPLATFORM" ]; then
+  platformFlag="--platform $TARGETPLATFORM"
+fi
 
-progressFlag=""
-if [ "$CONTINUOUS_INTEGRATION" == "true" ]; then progressFlag="--progress=plain"; fi
-
-binariesDocker() {
-  mkdir -p bin/tmp
-  export DOCKER_BUILDKIT=1
-  iidfile=$(mktemp -t docker-iidfile.XXXXXXXXXX)
-
-  platformFlag=""
-  if [ -n "$TARGETPLATFORM" ]; then
-    platformFlag="--build-arg=TARGETPLATFORM=$TARGETPLATFORM"
-  fi
-
-  docker build $platformFlag --target=binaries --iidfile $iidfile --force-rm .
-  iid=$(cat $iidfile)
-  containerID=$(docker create $iid copy)
-  docker cp $containerID:/ bin/tmp
-  mv bin/tmp/build* bin/
-  rm -rf bin/tmp
-  docker rm $containerID
-  docker rmi -f $iid
-  rm -f $iidfile
-}
-
-binaries() {
-  platformFlag=""
-  if [ ! -z "$TARGETPLATFORM" ]; then
-    platformFlag="--frontend-opt=platform=$TARGETPLATFORM"
-  fi
-  buildctl build $progressFlag --frontend=dockerfile.v0 \
-    --local context=. --local dockerfile=. \
-    --frontend-opt target=binaries $platformFlag \
-    --output type=local,dest=./bin/
-}
-
-case $buildmode in
-"buildkit")
-  binaries
-  ;;
-"docker-buildkit")
-  binariesDocker
-  ;;
-*)
-	echo "buildctl or docker with buildkit support is required"
-  exit 1
-  ;;
-esac
+buildxCmd build $platformFlag \
+  --target "binaries" \
+  --output "type=local,dest=./bin/" \
+  .