Bump compose-ui from 1.6.7 to 1.6.8 (#345)

Bumps `compose-ui` from 1.6.7 to 1.6.8.

Updates `androidx.compose.ui:ui-tooling` from 1.6.7 to 1.6.8

Updates `androidx.compose.ui:ui-tooling-preview` from 1.6.7 to 1.6.8

---
updated-dependencies:
- dependency-name: androidx.compose.ui:ui-tooling
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: androidx.compose.ui:ui-tooling-preview
  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>

gradle/libs.versions.toml

@@ -22,7 +22,7 @@ compose-dialogs = "1.3.0"
 compose-material = "1.6.7"
 compose-material3 = "1.2.1"
 compose-runtime = "1.6.8"
-compose-ui = "1.6.7"
+compose-ui = "1.6.8"
 desugaring = "2.0.4"
 joda-time = "2.12.7"
 junit = "4.13.2"