Prepare release 4.13.2 (#583)

Prepare release 4.13.1 (#573)

Prepare release 4.13.0 (#555)

Prepare release 4.13.0rc1 (#540)

Prepare release 4.12.2 (#426)

Prepare release 4.12.1 (#418)

Prepare release 4.12.0 (#408)

Prepare release 4.12.0rc1 (#402)

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>

4.12.0a2 (#400)

Prepare releaes 4.12.0a1 (#398)