Bump syn from 2.0.72 to 2.0.87

Bumps [syn](https://github.com/dtolnay/syn) from 2.0.72 to 2.0.87.
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](dtolnay/syn@2.0.72...2.0.87)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.lock

@@ -27,7 +27,7 @@ authors = [
 
 [dependencies]
 quote = "1.0.33"
-syn = {version = "2.0.39", features = ["full"]}
+syn = {version = "2.0.87", features = ["full"]}
 proc-macro2 = "1.0.85"
 
 [lib]