Release 3.2.0

The release mostly brings builds improvements, specifically:

• the builds is now reproducible, so you should be able to locally build the identical jar files locally
• the build now support static linking, which currently is done for the newly supported armv7l architecture
• the riscv32 and riscv64 architectures are now part of the release distribution
• the build can be configured to use a different container for native compilation, but it must still behave similar to the dockcross containers.
• Simple github workflow to build commits, testing cannot currently done on github because it requires a vcan device.