Add boefje that checks Github workflows using Octoscan

[Souf149]

Changes

Added a boefje that makes use of Octoscan to scan github workflows for URLs added in OpenKAT.

Demo

QA notes

• Add a Github hostname (github.com)
• Add a HostnameHTTPURL. For example:
  • Scheme https
  • Port 443
  • Path /minvws/nl-kat-coordination
  • Net location pointing to the previously mentioned Github hostname
• Make Octoscan scan this object and vulnerabilities should be found.

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Code Checklist

• All the commits in this PR are properly PGP-signed and verified.
• This PR only contains functionality relevant to the issue.
• I have written unit tests for the changes or fixes I made.
• I have checked the documentation and made changes where necessary.
• I have performed a self-review of my code and refactored it to the best of my abilities.

• Tickets have been created for newly discovered issues.
• For any non-trivial functionality, I have added integration and/or end-to-end tests.
• I have informed others of any required .env changes files if required and changed the .env-dist accordingly.
• I have included comments in the code to elaborate on what is not self-evident from the code itself, including references to issues and discussions online, or implicit behavior of an interface.

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Checklist for code reviewers:

Copy-paste the checklist from the docs/source/contributor/templates folder into your comment.

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Checklist for QA:

Copy-paste the checklist from the docs/source/contributor/templates folder into your comment.