net/dico: Update to 2.11/Rename port

• Rename the port to match upstream naming Change the name from net/gnu-dico to net/dico, prefix gnu- was added to distinguish this port from the port french/dico no longer needed since the port french/dico was removed from ports few years ago

• Switch to DISTVERSION
• Strip binaries
• Add missing dependencies

ChangeLog: https://git.savannah.gnu.org/cgit/dico.git/tree/NEWS
PR: 268796

The prefix gnu was added to distinguish this port from the port french/dico

This is no longer needed since the port french/dico was removed from ports few years ago