docs: changelog for #3421

Author: iBotPeaches

docs/unreleased.mdx

@@ -13,6 +13,7 @@ The changelog of the upcoming release, subject to change prior to finalization.
 - [[#3378](https://github.com/iBotPeaches/Apktool/pull/3378)] Fix issue with docker building closed prs.
 - [[#3400](https://github.com/iBotPeaches/Apktool/issues/3400)] Fix issue with duplicated attribute names in styles.
 - [[#3416](https://github.com/iBotPeaches/Apktool/issues/3416)] Fix issue with writing null value resources.
+- [[#3421](https://github.com/iBotPeaches/Apktool/issues/3421)] Fix issue with aapt2 falling on private resources.
 - [[#3376](https://github.com/iBotPeaches/Apktool/pull/3376)] Upgrade Gradle to `8.4`. (Thanks ArjunaKumarMohanta)
 - [[#3414](https://github.com/iBotPeaches/Apktool/pull/3412)] Upgrade `commons-io` to `2.15.0`.
 - [[#3413](https://github.com/iBotPeaches/Apktool/pull/3413)] Upgrade `commons-cli` to `1.6.0`.