* pin custom system-agent version and bump to go1.18 + k8s1.24
* progress, fails on urfave cli v2
* urfave cli v1->v2 migration
* versioning for docker in go.mod
* docker version pin
* handle parent context retrieval for urfave cli/v2
* pass empty cli flag list to newGRPCClientConn
* working modules for building wins w/ 1.24 k8s support and go1.18
* go.mod
* update dir for binary release
* go mod tidy for v0.2.9 system-agent