Bump quote from 1.0.15 to 1.0.16

Bumps [quote](https://github.com/dtolnay/quote) from 1.0.15 to 1.0.16.
- [Release notes](https://github.com/dtolnay/quote/releases)
- [Commits](dtolnay/quote@1.0.15...1.0.16)

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

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