feat(yara): error threshold

[pbalogh-sa]

Description

This PR adds an error threshold for the Yara scan in order to mark the whole scan as failed.
There are two types of errors:

1. count all lines in stdout and stderr, and if the stdout lines/stdout+stderr lines reach the threshold we will send a scan error.
2. count all lines in stdout and count the parse errors in stdout, and if the stdout line-parse error count/stdout lines reach the threshold we will send a parser error.

fixes: #682

Type of Change

[ ] Bug Fix
[x] New Feature
[ ] Breaking Change
[ ] Refactor
[ ] Documentation
[ ] Other (please describe)

Checklist

• I have read the contributing guidelines
• Existing issues have been referenced (where applicable)
• I have verified this change is not present in other open pull requests
• Functionality is documented
• All code style checks pass
• New code contribution is covered by automated tests
• All new and existing tests pass

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