Bump syn from 2.0.90 to 2.0.91 (#1373)

* Bump syn from 2.0.90 to 2.0.91

Bumps [syn](https://github.com/dtolnay/syn) from 2.0.90 to 2.0.91.
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](dtolnay/syn@2.0.90...2.0.91)

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

Signed-off-by: dependabot[bot] <[email protected]>

* Update features snapshot

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: dependabot[bot]

Cargo.lock

@@ -3512,7 +3512,7 @@
     - quote
     - visit
     - visit-mut
-- name: syn 2.0.90
+- name: syn 2.0.91
   features:
     - clone-impls
     - default