fix(client/keys): ignore all but signed keys in signature upload route

See merge request famedly/conduit!378

Dockerfile: changing DB path to be same as we are using in CI

See merge request famedly/conduit!371

Bump version to 0.4

See merge request famedly/conduit!368

Lightning bolt optional

See merge request famedly/conduit!366

Feat(ci): Split clippy into own fallible job

See merge request famedly/conduit!367

For some reason, the clippy build does not work.
This change allows the cargo:test job to still succeed
and the pipeline to pass

We were inserting one too many 0xff bytes

Now we start the admin and sending threads at a later time.