Bump androidxNavigation from 2.8.0-alpha06 to 2.8.0-beta04

Bumps `androidxNavigation` from 2.8.0-alpha06 to 2.8.0-beta04.

Updates `androidx.navigation:navigation-compose` from 2.8.0-alpha06 to 2.8.0-beta04

Updates `androidx.navigation:navigation-testing` from 2.8.0-alpha06 to 2.8.0-beta04

---
updated-dependencies:
- dependency-name: androidx.navigation:navigation-compose
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: androidx.navigation:navigation-testing
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

gradle/libs.versions.toml

@@ -20,7 +20,7 @@ androidxHiltNavigationCompose = "1.2.0"
 androidxLifecycle = "2.8.1"
 androidxMacroBenchmark = "1.2.4"
 androidxMetrics = "1.0.0-alpha04"
-androidxNavigation = "2.8.0-alpha06"
+androidxNavigation = "2.8.0-beta04"
 androidxProfileinstaller = "1.3.1"
 androidxTestCore = "1.5.0"
 androidxTestExt = "1.1.5"