set version to 2.3.1

Signed-off-by: Nicola Murino <nicola.murino@gmail.com>

set version to 2.3.0

Signed-off-by: Nicola Murino <nicola.murino@gmail.com>

sql provider: enhanced folder mapping query using an upsert

Signed-off-by: Nicola Murino <nicola.murino@gmail.com>

set version to 2.2.2

Signed-off-by: Nicola Murino <nicola.murino@gmail.com>

update release workflow

Signed-off-by: Nicola Murino <nicola.murino@gmail.com>

set version to 2.2.0

fix a possible nil pointer dereference

it can happen by upgrading from very old versions

set version to 2.1.1

set version to 2.1.0

set version to 2.0.4