Add the stable/squid-jammy branch #225

Job	Run time
build / modifiedparts	13s
build / Build the charm (ceph-dashboard)	8m 47s
build / Build the charm (ceph-fs)	8m 11s
build / Build the charm (ceph-iscsi)	7m 23s
build / Build the charm (ceph-mon)	9m 6s
build / Build the charm (ceph-nfs)	8m 49s
build / Build the charm (ceph-osd)	4m 37s
build / Build the charm (ceph-proxy)	4m 47s
build / Build the charm (ceph-radosgw)	4m 36s
build / Build the charm (ceph-rbd-mirror)	11m 12s
build / Functional tests (ceph-dashboard)	25m 38s
build / Functional tests (ceph-fs)	20m 10s
build / Functional tests (ceph-iscsi)	6h 0m 20s
build / Functional tests (ceph-mon)	21m 29s
build / Functional tests (ceph-nfs)	21m 4s
build / Functional tests (ceph-osd)	27m 13s
build / Functional tests (ceph-proxy)	21m 22s
build / Functional tests (ceph-radosgw)	33m 11s
build / Functional tests (ceph-rbd-mirror)	35m 58s
	10h 34m 6s

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