Merge pull request hyperledger#1789 from hyperledger/update-rc-version

[v1.13.2-rc4] - Update Version Number for Release

Merge pull request hyperledger#1788 from WadeBarnes/ubuntu-20.04-upgrade

Bump indy-plenum version

Merge pull request hyperledger#1780 from hyperledger/update-rc-version

[v1.13.2-rc3] - Update Version Number for Release

Merge pull request hyperledger#1779 from pSchlarb/fix_missing_general…

…_config

Fixed prepare_package Script

Merge pull request hyperledger#1776 from hyperledger/update-rc-version

[v1.13.2-rc2] - Update Version Number for Release

Merge pull request hyperledger#1775 from boschresearch/feature/rev-so…

…rt-config

Add flag for sorting algorithm switching

Merge pull request hyperledger#1774 from hyperledger/update-rc-version

[v1.13.2-rc1] - Update Version Number for Release

Merge pull request hyperledger#1771 from WadeBarnes/ubuntu-20.04-upgrade

Fix linting errors

release version 1.12.6

release version 1.12.5