Bump syn from 2.0.75 to 2.0.87 in /native #1030

Job	Run time
docs	1m 42s
lint	1m 45s
Rustfmt	13s
Rust unit tests (ubuntu-latest)	2m 35s
Rust unit tests (macos-latest)	1m 28s
Rust unit tests (windows-latest)	4m 21s
test (macos-latest, 3.9)	3m 49s
test (macos-latest, 3.10)	3m 43s
test (macos-latest, 3.11)	5m 23s
typecheck	1m 8s
test (macos-latest, 3.12)	4m 27s
test (macos-latest, 3.13)	6m 1s
test (ubuntu-latest, 3.9)	5m 59s
test (ubuntu-latest, 3.10)	6m 2s
test (ubuntu-latest, 3.11)	6m 34s
test (ubuntu-latest, 3.12)	8m 47s
test (ubuntu-latest, 3.13)	9m 2s
test (windows-latest, 3.9)	8m 6s
test (windows-latest, 3.10)	9m 0s
test (windows-latest, 3.11)	10m 23s
test (windows-latest, 3.12)	10m 50s
test (windows-latest, 3.13)	11m 47s
	2h 3m 5s

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