Build(deps): Update libsqlite3-sys requirement from 0.26.0 to 0.29.0

Updates the requirements on [libsqlite3-sys](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@v0.26.0...v0.29.0)

---
updated-dependencies:
- dependency-name: libsqlite3-sys
  dependency-type: direct:production
...

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

Cargo.toml

@@ -14,7 +14,7 @@ async-trait = "0.1.42"
 casbin      = { version = "2.1.0", default-features = false }
 diesel      = { version = "2.0.3", default-features = false, features = ["r2d2"] }
 futures     = "0.3"
-libsqlite3-sys = { version = "0.26.0", features = ["bundled"] }
+libsqlite3-sys = { version = "0.29.0", features = ["bundled"] }
 tokio       = { version = "1.1.1", default-features = false, optional = true }
 once_cell = "1.5.2"