Use extension trait to simplify config #835

Job	Run time
Clippy (stable) (ubuntu-latest)	1m 0s
Clippy (MSRV) (ubuntu-latest)	2m 8s
Clippy (stable) (macos-latest)	27s
Clippy (MSRV) (macos-latest)	2m 4s
Clippy (stable) (windows-latest)	50s
Ktlint	42s
Clippy (MSRV) (windows-latest)	3m 7s
Clippy (-Zbuild-std)	1m 10s
Rustfmt	12s
Check semver compatibility	25s
Test (Android)	4m 7s
Test iOS (Catalyst)	25s
Test (ubuntu-latest)	31s
Test (macos-latest)	18s
Test (FreeBSD)	2m 23s
Test (windows-latest)	2m 2s
Verify Android artifacts	1m 12s
Check for documentation errors	19s
	23m 22s

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