feat: implement serialize for report #423

Job	Run time
Test Suite (stable)	56s
Test Suite (stable, --no-default-features)	53s
Check (stable)	13s
Clippy (stable)	27s
Rustfmt (stable)	5s
Test Suite (stable, --no-default-features --features track-caller)	48s
Miri	1m 28s
Test Suite	1m 38s
Test Suite (stable, --no-default-features --features auto-install)	55s
Test Suite (ubuntu-latest)	57s
Test Suite (--no-default-features)	1m 39s
Test Suite (stable, --features pyo3)	55s
Test Suite (windows-latest)	2m 45s
Test Suite (--no-default-features --features track-caller)	1m 31s
Test Suite (stable, --all-features)	1m 15s
Test Suite (macOS-latest)	55s
Test Suite (--no-default-features --features auto-install)	1m 33s
Test Suite (beta)	1m 3s
Test Suite (beta, --no-default-features)	54s
Test Suite (beta, --no-default-features --features track-caller)	1m 0s
Test Suite (beta, --no-default-features --features auto-install)	55s
Test Suite (beta, --features pyo3)	1m 4s
Test Suite (beta, --all-features)	1m 6s
Test Suite (nightly)	1m 17s
Test Suite (nightly, --no-default-features)	1m 5s
Test Suite (nightly, --no-default-features --features track-caller)	1m 3s
Test Suite (nightly, --no-default-features --features auto-install)	1m 8s
Test Suite (nightly, --features pyo3)	1m 11s
Test Suite (nightly, --all-features)	1m 18s
	31m 57s

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