Bump tauri from 1.6.7 to 1.6.8 in /src-tauri (#290)

Bumps [tauri](https://github.com/tauri-apps/tauri) from 1.6.7 to 1.6.8.
- [Release notes](https://github.com/tauri-apps/tauri/releases)
- [Commits](https://github.com/tauri-apps/tauri/compare/tauri-v1.6.7...tauri-v1.6.8)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

src-tauri/Cargo.toml

@@ -17,7 +17,7 @@ tauri-build = { version = "1.5.2", features = [] }
 [dependencies]
 serde_json = "1.0.109"
 serde = { version = "1.0.193", features = ["derive"] }
-tauri = { version = "1.6.7", features = ["api-all", "devtools", "system-tray", "updater"] }
+tauri = { version = "1.6.8", features = ["api-all", "devtools", "system-tray", "updater"] }
 tauri-plugin-single-instance = { git = "https://github.com/tauri-apps/plugins-workspace", branch = "v1" }
 
 [features]