[설정][Common] 디자인 검수 사항 반영

app/src/main/res/layout/fragment_setting.xml

@@ -50,7 +50,7 @@
     android:lineSpacingExtra="4sp"
     android:padding="10dp"
     tools:text="@string/setting_version_information_message"
-    android:textColor="@color/C666666"
+    android:textColor="@color/C999999"
     android:textSize="12sp"
     app:layout_constraintEnd_toEndOf="parent"
     app:layout_constraintTop_toBottomOf="@+id/bar"/>