bump: introducing rc.1 #74

Job	Run time
Unused Dependencies	1m 8s
Documentation	1m 2s
Test Suite (ubuntu-latest, stable)	3m 8s
Clippy	1m 1s
Rustfmt	8s
Test Suite (ubuntu-latest, beta)	3m 15s
Test Suite (ubuntu-latest, nightly)	3m 20s
	13m 2s

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