kernel snap metadata is incomplete

[Juerg Haefliger]

license is unset.
contact is too generic.
source-code is missing.
issues is missing.

$ snap info pc-kernel
name: pc-kernel
summary: generic linux kernel
publisher: Canonical✓
store-url: https://snapcraft.io/pc-kernel
contact: <email address hidden>
license: unset
description: |
  The generic Ubuntu kernel package as a snap
type: kernel
snap-id: pYVQrBcKmBa0mZ4CCN7ExT6jH8rY1hza
tracking: 22/stable
refresh-date: today at 15:55 UTC
channels:
  latest/stable: 4.4.0-245.279 2023-09-29 (1429) 176MB -
  latest/candidate: 4.4.0-245.279 2023-09-29 (1429) 176MB -
  latest/beta: 4.4.0-245.279 2023-09-29 (1429) 176MB -
  latest/edge: 4.4.0-245.279 2023-09-29 (1429) 176MB -
  23.10/stable: 6.5.0.7.9 2023-10-04 (1437) 286MB -
  23.10/candidate: 6.5.0.7.9 2023-10-02 (1437) 286MB -
  23.10/beta: 6.5.0.7.9 2023-10-02 (1437) 286MB -
  23.10/edge: 6.5.0.7.9 2023-10-02 (1435) 286MB -
  22-hwe/stable: 5.15.0-86.96.1 2023-10-02 (1433) 349MB -
  22-hwe/candidate: 5.15.0-86.96.1 2023-09-26 (1433) 349MB -
  22-hwe/beta: 5.15.0-86.96.1 2023-09-25 (1433) 349MB -
  22-hwe/edge: 5.15.0-86.96.1 2023-09-25 (1433) 349MB -
  22/stable: 5.15.0-86.96.1 2023-10-02 (1433) 349MB -
  22/candidate: 5.15.0-86.96.1 2023-09-26 (1433) 349MB -
  22/beta: 5.15.0-86.96.1 2023-09-25 (1433) 349MB -
  22/edge: 5.15.0-86.96.1 2023-09-25 (1433) 349MB -
  20/stable: 5.4.0-164.181.1 2023-10-04 (1439) 396MB -
  20/candidate: 5.4.0-164.181.1 2023-10-04 (1439) 396MB -
  20/beta: 5.4.0-164.181.1 2023-10-02 (1439) 396MB -
  20/edge: 5.4.0-164.181.1 2023-10-02 (1439) 396MB -
  18/stable: 4.15.0-218.229 2023-09-29 (1432) 231MB -
  18/candidate: 4.15.0-218.229 2023-09-29 (1432) 231MB -
  18/beta: 4.15.0-218.229 2023-09-29 (1432) 231MB -
  18/edge: 4.15.0-218.229 2023-09-29 (1432) 231MB -
installed: 5.15.0-86.96.1 (1433) 349MB kernel