Bump syn from 1.0.33 to 1.0.44 (#600)
Bump syn from 1.0.33 to 1.0.44 (#600)

Bumps [syn](https://github.com/dtolnay/syn) from 1.0.33 to 1.0.44.
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](https://github.com/dtolnay/syn/compare/1.0.33...1.0.44)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
alex/otp-cop