Bump thiserror from 1.0.37 to 1.0.50 in /native #662

Job	Run time
coverage	3m 55s
docs	2m 26s
lint	2m 12s
Rust unit tests (ubuntu-latest)	4m 44s
Rust unit tests (macos-latest)	5m 1s
Rustfmt	11s
typecheck	1m 45s
test (macos-latest, 3.8)	7m 22s
test (macos-latest, 3.9)	7m 25s
Rust unit tests (windows-latest)	9m 40s
test (macos-latest, 3.10)	7m 38s
test (macos-latest, 3.11)	9m 17s
test (macos-latest, 3.12-dev)	10m 53s
test (ubuntu-latest, 3.8)	4m 15s
test (ubuntu-latest, 3.9)	4m 12s
test (ubuntu-latest, 3.10)	5m 2s
test (ubuntu-latest, 3.11)	4m 41s
test (ubuntu-latest, 3.12-dev)	6m 11s
test (windows-latest, 3.8)	5m 49s
test (windows-latest, 3.9)	5m 42s
test (windows-latest, 3.10)	7m 56s
test (windows-latest, 3.11)	6m 2s
test (windows-latest, 3.12-dev)	4m 3s
	2h 6m 22s

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