scripts: Use current user UID inside docker
scripts: Use current user UID inside docker

Binary blobs will be created under current user rather than root

endocode/fleet,dalbani/fleet,improbable-io/fleet,dalbani/fleet,improbable-io/fleet,endocode/fleet,dalbani/fleet,coreos/fleet,jonboulle/fleet,dongsupark/fleet,endocode/fleet,coreos/fleet,giantswarm/fleet,giantswarm/fleet,dongsupark/fleet,giantswarm/fleet,jonboulle/fleet,improbable-io/fleet,dongsupark/fleet,jonboulle/fleet,coreos/fleet