update readme

Author: arantes555

README.md

@@ -7,6 +7,6 @@ Based on https://git.openprivacy.ca/openprivacy/android-go-mobile/src/branch/mai
  - Java 20
  - Android build tools 34
  - Android SDK 36
- - Android NDK 27.3.13750724
+ - Android NDK 28.2.13676358
  - Go 1.25.1
  - gomobile cmd tools and source