Use extension trait to simplify config #832

Job	Run time
Clippy (-Zbuild-std)	55s
Ktlint	39s
Clippy (stable) (ubuntu-latest)	52s
Clippy (MSRV) (ubuntu-latest)	2m 3s
Clippy (MSRV) (macos-latest)	1m 50s
Clippy (stable) (macos-latest)	26s
Check for documentation errors	28s
Rustfmt	14s
Clippy (MSRV) (windows-latest)	1m 52s
Clippy (stable) (windows-latest)	2m 17s
Check semver compatibility	33s
Test (ubuntu-latest)	21s
Test (Android)	4m 10s
Test iOS (Catalyst)	19s
Test (macos-latest)	32s
Test (FreeBSD)	2m 9s
Test (windows-latest)	2m 5s
Verify Android artifacts	1m 37s
	23m 22s

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