Bump syn from 2.0.87 to 2.0.89 in /src/_bcrypt #1448

Job	Run time
py312 on alpine	1m 2s
Python 3.7 on win32	3m 47s
py312 on alpine:aarch64	1m 32s
pep8,packaging on linux, Rust stable	1m 20s
Python 3.13 on win32	3m 30s
Python 3.7 on macos-13	1m 40s
py312 on ubuntu-rolling:aarch64	1m 23s
mypy on linux, Rust stable	1m 2s
Python 3.7 on win64	3m 49s
Python 3.13 on macos-13	1m 38s
py37 on linux, Rust stable	55s
Python 3.13 on win64	3m 46s
py38 on linux, Rust stable	58s
Python 3.13 on macos-latest	59s
py39 on linux, Rust stable	51s
py310 on linux, Rust stable	1m 7s
py311 on linux, Rust stable	44s
py312 on linux, Rust stable	49s
py313 on linux, Rust stable	57s
pypy3 on linux, Rust stable	57s
pypy3 on linux, Rust stable	1m 17s
py313 on linux, Rust 1.64.0	2m 42s
py313 on linux, Rust beta	1m 4s
py313 on linux, Rust nightly	1m 3s
all-green	2s
	38m 54s

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