Introduce session #555

Job	Run time
Compile on MSRV	24s
Check clippy	26s
Run unit tests (windows-latest)	4m 3s
Check formatting	12s
Run unit tests (macOS-latest)	1m 25s
Run unit tests (ubuntu-latest)	1m 37s
Validate MSRV and minimal dependency versions (Cargo.lock.msrv, MSRV)	39s
Validate MSRV and minimal dependency versions (Cargo.lock.min, minimal dependency versions)	34s
Run integration tests (4.4)	4m 55s
Run integration tests (5)	4m 52s
Release	0s
	19m 7s

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