Conan Lock 2.x requires fields support

[houdini91]

What would you like to be added: In conan 2.x i see there is a requries field listing the packages instead of the graph_lock.

For spec change details see https://github.com/conan-io/tribe/blob/main/design/034-new_lockfiles.md. and https://docs.conan.io/2/tutorial/versioning/lockfiles.html#tutorial-versioning-lockfiles.

Example of random conan.lock with this fields.

• https://github.com/openvinotoolkit/openvino/blob/387f4536ec4d931d9a75dce4d4885366583a3968/conan.lock#L3
• https://github.com/fpelliccioni/asio_course/blob/f7d9f22715c3fee264b0b7b79424528fc90ccbae/conan.lock#L3

Link a suggestion PR https://github.com/anchore/syft/pull/2461.

[tgerla]

Hi @houdini91, thanks for the report and the pull request! We will take a look as soon as we can.