test: Create a tedge-watchdog test suite #6592

Job	Run time
Block fixup commits	7s
Filter changes	2s
Check whether Cargo.lock is up to date	25s
Shellcheck	10s
Spell Check with Typos	5s
Run cargo audit	19s
Run cargo test	10m 36s
Run cargo check on MSRV	1m 34s
Run cargo clippy	1m 46s
Sort dependencies	1m 58s
nightly / doc	1m 40s
Run format checks	5m 2s
Check markdown	0s
Check for unused dependencies	6m 54s
	30m 38s

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