Update rusqlite requirement from 0.30 to 0.31

Updates the requirements on [rusqlite](https://github.com/rusqlite/rusqlite) to permit the latest version.
- [Release notes](https://github.com/rusqlite/rusqlite/releases)
- [Changelog](https://github.com/rusqlite/rusqlite/blob/master/Changelog.md)
- [Commits](rusqlite/rusqlite@v0.30.0...v0.31.0)

---
updated-dependencies:
- dependency-name: rusqlite
  dependency-type: direct:production
...

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

Cargo.toml

@@ -13,9 +13,9 @@ categories = ["asynchronous", "database"]
 
 [dependencies]
 crossbeam-channel = "0.5"
-rusqlite = "0.30"
+rusqlite = "0.31"
 tokio = { version = "1", features = ["sync"] }
 
 [dev-dependencies]
-rusqlite = { version = "0.30", features = ["bundled"] }
+rusqlite = { version = "0.31", features = ["bundled"] }
 tokio = { version = "1", features = ["full"] }