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.lock

@@ -3512,9 +3512,9 @@ dependencies = [
 
 [[package]]
 name = "tauri"
-version = "1.6.7"
+version = "1.6.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "67c7177b6be45bbb875aa239578f5adc982a1b3d5ea5b315ccd100aeb0043374"
+checksum = "77567d2b3b74de4588d544147142d02297f3eaa171a25a065252141d8597a516"
 dependencies = [
  "anyhow",
  "base64 0.21.5",