Bump androidx.navigation:navigation-safe-args-gradle-plugin (#124)

Bumps androidx.navigation:navigation-safe-args-gradle-plugin from 2.8.3 to 2.8.4.

---
updated-dependencies:
- dependency-name: androidx.navigation:navigation-safe-args-gradle-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

build.gradle

@@ -16,7 +16,7 @@ buildscript {
         // in the individual module build.gradle files
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
-        def nav_version = "2.8.3"
+        def nav_version = "2.8.4"
         classpath "androidx.navigation:navigation-safe-args-gradle-plugin:$nav_version"
     }
 }