contrib: fix manifest script tag quotes
contrib: fix manifest script tag quotes

Tag quotes were incorrectly output as
`tags: ["v12 v12.2"]

This correctly quotes tags as
`tags: ["v12", "v12.2"]

Signed-off-by: Blaine Gardner <135b86f2968bdbcc730c10d8ababd343bb675986@suse.com>

ceph/ceph-docker,ceph/ceph-docker