refactor: enable perl signatures in ForestFootprint.pm (#7174)
refactor: enable perl signatures in ForestFootprint.pm (#7174)

* refactor: enable perl signatures in ForestFootprint.pm

Replacing perl "shift" prototypes with signatures.

* Update lib/ProductOpener/ForestFootprint.pm

Co-authored-by: Jussi Timperi <a0d4498e4e3b160a471a81d0b675a940fc3b6905@users.noreply.github.com>

* Update lib/ProductOpener/ForestFootprint.pm

Co-authored-by: Jussi Timperi <a0d4498e4e3b160a471a81d0b675a940fc3b6905@users.noreply.github.com>

Co-authored-by: Jussi Timperi <a0d4498e4e3b160a471a81d0b675a940fc3b6905@users.noreply.github.com>
openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server