Refresh rules at runtime for Yara Analyser Job

[hacktobeer]

Description of the change

Refresh the rules at runtime for the Yara Analyser Job. As we the inital ruleset is build into the worker image they will (without this PR) only be updated when a new worker iamge is build. This PR updates the rules when the Yara Analysis Job is executed.

Applicable issues

None

Additional information

This PR also:

• sets the platform to linux/amd64 for worker, server and api-server images. We do not support other architectures (because dependencies will not work on eg aarch64.
• git clones/pulls the ruleset at depth=1 instead of the whole repo

Checklist

• All tests were successful.
• Unit tests added.
• Documentation updated.

[jleaniz]

LGTM, just one comment on possible rate limit issues from Git

[aarontp]

LGTM, just one minor comment about the exception that's being caught.

Regarding rate limits, hopefully it won't cause any issues if we do run into this since we will fail open in that case.