docs: update changelog for #3800

Author: iBotPeaches

docs/unreleased.mdx

@@ -11,3 +11,4 @@ The changelog of the upcoming release, subject to change prior to finalization.
 - [[#3768](https://github.com/iBotPeaches/Apktool/issues/3768)] Fix parsing feature flags at any point in `AndroidManifest.xml`. (Thanks IgorEisberg)
 - [[#3799](https://github.com/iBotPeaches/Apktool/pull/3799)] Fix disassembly of applications with unordered type chunks.
 - [[#3762](https://github.com/iBotPeaches/Apktool/pull/3762)] Upgrade r8 to `8.7.18`.
+- [[#3800](https://github.com/iBotPeaches/Apktool/pull/3800)] Upgrade gradle to `4.3.0`.