Modernize github actions

Release version 1.5.0

Merge pull request #44 from simon04/maven-central

Deploy to Maven Central

Version 1.3.3 released

Release 1.3.2

1.3.1 Release

Update tags for v1.3.0

Upgrade dependency on protobuf from 2.3.0 to 2.4.1

Merge remote-tracking branch 'joto/master'

Added build file by Giovanni Mascellani.