using NDK miserably fails

[ildar]

with messages like:

Observed package id 'ndk;21.4.7075529' in inconsistent location '/usr/local/lib/android/sdk/ndk-bundle' (Expected '/usr/local/lib/android/sdk/ndk/21.4.7075529')

and

No toolchains found in the NDK toolchains folder for ABI with prefix: mips64el-linux-android

ref: https://github.com/ildar/OpenBikeSharing/actions/runs/787885535