chore: streamline the ci pipeline (#23) #54

Job	Run time
Rustfmt	10s
Clippy	1m 25s
Test Suite (ubuntu-latest, beta)	3m 29s
Test Suite (ubuntu-latest, stable)	3m 36s
Test Suite (ubuntu-latest, nightly)	3m 40s
Documentation	1m 3s
Unused Dependencies	1m 7s
	14m 30s

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