fix: Subscribe to C8Y topics using QoS 1 #6681

Job	Run time
Block fixup commits	16s
Filter changes	5s
Check whether Cargo.lock is up to date	25s
Shellcheck	12s
Spell Check with Typos	5s
Check for unused dependencies	6m 44s
Run format checks	5m 43s
Run cargo clippy	1m 50s
Run cargo audit	15s
Run cargo test	10m 19s
Run cargo check on MSRV	1m 41s
Sort dependencies	1m 58s
nightly / doc	1m 53s
Check markdown	0s
	31m 26s

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