[DID NOT RELEASE] 2.0.0.RC2

This is a non-functional test release verifying our new gradle based build process using Github Actions.

Patch Changes

• Restructured configuration properties to work properly with kapt (#556) @Goregius
• [build] migrate to Gradle (#547) @dariuszkuc

Non-version Changes

• [build] explicitly configure nexus-publish-plugin on root project (#563) @dariuszkuc
• [build] apply nexus-publish plugin to explicitly create sonatype staging (#561) @dariuszkuc
• [build] explicitly set package group on nexus staging plugin (#560) @dariuszkuc
• [build] add missing credentials to nexus-staging plugin config (#559) @dariuszkuc
• [build] configure nexus-staging plugin (#558) @dariuszkuc
• [build] add missing sonatype information (#557) @dariuszkuc
• Changed annotation processor to use kapt (#555) @Goregius
• [build] attempt to explicitly read tag version (#554) @dariuszkuc
• [build] fix release workflow (#553) @dariuszkuc
• [build] fix release workflow (#552) @dariuszkuc
• [build] split GH continuous integration action in PR and master build (#551) @dariuszkuc