Bump rig to v0.13.0 #1218

Job	Run time
build	2m 25s
build-all	4m 38s
Basic file upload smoke	3m 14s
Basic dynamic config smoke	2m 31s
Apply + backup + reset + restore (quay.io/footloose/ubuntu18.04)	2m 39s
Apply + backup + reset + restore (quay.io/footloose/centos7)	2m 28s
Basic 1+1 smoke (quay.io/footloose/ubuntu18.04)	2m 36s
Basic 1+1 smoke (quay.io/footloose/centos7)	2m 22s
Basic 1+1 smoke (quay.io/footloose/debian10)	2m 0s
Init sub-command smoke test	2m 28s
OS override smoke test	1m 51s
Apply + reset (quay.io/footloose/ubuntu18.04)	2m 1s
Apply + reset (quay.io/footloose/centos7)	2m 31s
Upgrade (quay.io/footloose/ubuntu18.04, v1.21.6+k0s.0)	2m 59s
Upgrade (quay.io/footloose/centos7, v1.21.6+k0s.0)	2m 14s
	38m 57s

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