Use same example config in manual as README #2238

Job	Run time
Code coverage	3m 4s
Rustfmt	5s
Integration tests (macos-latest)	2m 34s
Clippy	41s
Integration tests (ubuntu-latest)	2m 20s
Unit tests (macos-latest, aarch64-apple-darwin, false)	3m 30s
Unit tests (macos-12, x86_64-apple-darwin, false)	4m 1s
Unit tests (windows-latest, x86_64-pc-windows-msvc, false)	7m 4s
Unit tests (ubuntu-latest, x86_64-unknown-linux-gnu, false)	2m 33s
Unit tests (ubuntu-latest, x86_64-unknown-linux-musl, true)	3m 0s
Unit tests (ubuntu-latest, i686-unknown-linux-gnu, true)	2m 50s
Unit tests (ubuntu-latest, arm-unknown-linux-gnueabihf, true)	3m 14s
Unit tests (ubuntu-latest, aarch64-unknown-linux-gnu, true)	3m 9s
	38m 5s

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