secret-tool: Add locking capabilities to secret tool
secret-tool: Add locking capabilities to secret tool

Context, secret tool currently does not have the capability to lock
keyring.

This capability was requested for specific use cases.

Updates have been made to the secret tool to lock keyrings.

Closes https://gitlab.gnome.org/GNOME/libsecret/-/issues/28

GNOME/libsecret,GNOME/libsecret,GNOME/libsecret,GNOME/libsecret