chore(deps): update dependency cosl to v0.0.48 #2330

Job	Run time
integration-tests / Plan	5s
integration-tests / Build charm (synapse)	10m 56s
integration-tests / Build rock (synapse)	25m 54s
integration-tests / Plan Image Scanning	6s
integration-tests / Integration tests / Integration tests (test_charm)	27m 16s
integration-tests / Integration tests / Integration tests (test_nginx)	14m 55s
integration-tests / Integration tests / Integration tests (test_s3)	28m 57s
integration-tests / Integration tests / Integration tests (test_scaling)	25m 29s
integration-tests / Integration tests / Integration tests (test_matrix_auth)	16m 53s
integration-tests / Scan Image (ghcr.io-canonical-synapse-9d0fc4cfab8623a1f53ef2a396844d28b4a611a4-_3.0_amd64.tar)	2m 10s
integration-tests / Required Integration Test Status Checks	1s
	2h 32m 42s

Provide feedback