Bump syn from 2.0.48 to 2.0.49 in /src/_bcrypt (#742)

Bumps [syn](https://github.com/dtolnay/syn) from 2.0.48 to 2.0.49.
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](https://github.com/dtolnay/syn/compare/2.0.48...2.0.49)

---
updated-dependencies:
- dependency-name: syn
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

src/_bcrypt/Cargo.lock

@@ -351,9 +351,9 @@ checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
 
 [[package]]
 name = "syn"
-version = "2.0.48"
+version = "2.0.49"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f3531638e407dfc0814761abb7c00a5b54992b849452a0646b7f65c9f770f3f"
+checksum = "915aea9e586f80826ee59f8453c1101f9d1c4b3964cd2460185ee8e299ada496"
 dependencies = [
  "proc-macro2",
  "quote",