chore: Rename SD-Core charms by adding -k8s as a suffix #127

Job	Run time
lib-needs-publishing	5s
lint-report / lint-report	23s
check-libraries / check-libraries	3s
static-analysis / static-analysis	34s
integration-test / integration-test	23m 20s
unit-tests-with-coverage / unit-tests	23s
Publish Charm	0s
Publish Lib	0s
	24m 48s

Provide feedback