Fix encoding villager level in `TrackedData` (#543) #1747

Job	Run time
Documentation	3m 27s
Formatting	38s
Clippy	4m 23s
Build Extractor	2m 47s
Dependency Graph (assets/depgraph.svg)	26s
Typos	5s
Tests (windows-latest)	24m 27s
Unused Dependencies	5m 11s
Tests (macos-latest)	16m 16s
Tests (ubuntu-latest)	18m 39s
	1h 16m 19s

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