vm list: show running state of VMs

ci: update golangci-lint

fix(deps): update all non-major dependencies

ci: also display linting issues

ci: print test output in addition to parsing it

provisioning: reject unknown keys in provisioning files

provisioning: restrict host filesystem access to working directory

ci: fix GitHub actions test workflow

allow user_public_key to contain slice of strings

test: upgrade mockery to v3

config: document modular libvirt daemon socket option

go: replace deprecated ioutil with modern stdlib equivalents

cli: remove deprecated --pull-policy flag

cli: rename boot capacity flags to --boot-capacity

registry: add version field to registry file