feat: implement serialize for report #443

Job	Run time
Test Suite	3m 59s
Test Suite (stable)	1m 6s
Test Suite (--no-default-features)	3m 5s
Clippy (stable)	28s
Check (stable)	19s
Test Suite (--no-default-features --features track-caller)	3m 2s
Test Suite (stable, --no-default-features)	1m 0s
Test Suite (--no-default-features --features auto-install)	2m 59s
Test Suite (stable, --no-default-features --features track-caller)	1m 1s
Rustfmt (stable)	17s
Test Suite (stable, --no-default-features --features auto-install)	1m 2s
Miri	1m 26s
Test Suite (stable, --features pyo3)	1m 12s
Test Suite (ubuntu-latest)	1m 7s
Test Suite (stable, --all-features)	1m 12s
Test Suite (beta)	1m 7s
Test Suite (windows-latest)	2m 0s
Test Suite (beta, --no-default-features)	1m 4s
Test Suite (macOS-latest)	57s
Test Suite (beta, --no-default-features --features track-caller)	1m 2s
Test Suite (beta, --no-default-features --features auto-install)	1m 0s
Test Suite (beta, --features pyo3)	1m 10s
Test Suite (beta, --all-features)	1m 18s
Test Suite (nightly)	1m 15s
Test Suite (nightly, --no-default-features)	1m 13s
Test Suite (nightly, --no-default-features --features track-caller)	1m 44s
Test Suite (nightly, --no-default-features --features auto-install)	1m 9s
Test Suite (nightly, --features pyo3)	1m 17s
Test Suite (nightly, --all-features)	1m 26s
	40m 57s

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