Bump navigation_version from 2.8.3 to 2.8.4 (#535)

Bumps `navigation_version` from 2.8.3 to 2.8.4.

Updates `androidx.navigation:navigation-fragment-ktx` from 2.8.3 to 2.8.4

Updates `androidx.navigation:navigation-ui-ktx` from 2.8.3 to 2.8.4

---
updated-dependencies:
- dependency-name: androidx.navigation:navigation-fragment-ktx
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: androidx.navigation:navigation-ui-ktx
  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>

Author: dependabot[bot]

build.gradle

@@ -1,6 +1,6 @@
 buildscript {
     ext.kotlin_version = "2.0.21"
-    ext.navigation_version = "2.8.3"
+    ext.navigation_version = "2.8.4"
     ext.okhttp_version = "4.12.0"
     ext.retrofit_version = "2.11.0"
     ext.glide_version = "4.16.0"