Update dependency androidx.navigation:navigation-fragment to v2.8.1

Author: renovate[bot]

app/build.gradle

@@ -33,7 +33,7 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.6.1'
     implementation 'com.google.android.material:material:1.8.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
-    implementation 'androidx.navigation:navigation-fragment:2.5.3'
+    implementation 'androidx.navigation:navigation-fragment:2.8.1'
     implementation 'androidx.navigation:navigation-ui:2.5.3'
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'