limactl: make sure to remove "." from instance names #6104

Job	Run time
Colima (v0.6.5)	7m 4s
Integration tests	12m 21s
Integration tests (on Linux) (alpine.yaml)	8m 45s
Integration tests (on Linux) (debian.yaml)	6m 39s
Integration tests (on Linux) (fedora.yaml)	8m 18s
Integration tests (on Linux) (opensuse.yaml)	8m 50s
Integration tests (on Linux) (docker.yaml)	7m 49s
Integration tests (on Linux) (../hack/test-templates/alpine-iso-9p-writable.yaml)	5m 58s
Integration tests (on Linux) (../hack/test-templates/net-user-v2.yaml)	7m 45s
Integration tests (on Linux) (../hack/test-templates/test-misc.yaml)	20m 19s
Lints	2m 47s
Spell check	12s
Unit tests (1.22.x)	53s
Windows tests	1m 39s
Upgrade test (v0.15.1)	11m 34s
Unit tests (1.23.x)	4m 14s
VMNet test	9m 51s
vz (default.yaml)	9m 36s
vz (fedora.yaml)	9m 2s
	2h 23m 36s

Provide feedback