Bump ron from 0.6.6 to 0.7.0

Bumps [ron](https://github.com/ron-rs/ron) from 0.6.6 to 0.7.0.
- [Release notes](https://github.com/ron-rs/ron/releases)
- [Changelog](https://github.com/ron-rs/ron/blob/master/CHANGELOG.md)
- [Commits](ron-rs/ron@v0.6.6...v0.7.0)

---
updated-dependencies:
- dependency-name: ron
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -36,7 +36,7 @@ scopeguard = "1.1"
 bitflags = "1.2"
 chrono = "0.4"
 backtrace = "0.3"
-ron = "0.6"
+ron = "0.7"
 serde = "1.0"
 anyhow = "1.0"
 unicode-width = "0.1"