Add a pipeline to collect Sigma rules

[ziadhany]

issue:

• fedcode-next: Code pipeline and models to continuously collect scripts and vulnerability scanner rules to detect if the vulnerability is "expressed" #1723

[ziadhany]

@TG1999 @keshav-space This is the log for the Sigma Rules improver. Please review this PR when once you have time.

INFO 2025-12-16 15:40:59.037415 UTC Step [clone_repo] completed in 166 seconds (2.8 minutes)
INFO 2025-12-16 15:40:59.037518 UTC Step [collect_and_store_rules] starting
INFO 2025-12-16 15:40:59.292655 UTC Enhancing the vulnerability with 4,031 rule records
INFO 2025-12-16 15:41:01.504841 UTC Progress: 10% (404/4031) ETA: 20 seconds
INFO 2025-12-16 15:41:03.975950 UTC Progress: 20% (807/4031) ETA: 19 seconds
INFO 2025-12-16 15:41:06.603437 UTC Progress: 30% (1210/4031) ETA: 17 seconds
INFO 2025-12-16 15:41:09.293946 UTC Progress: 40% (1613/4031) ETA: 15 seconds
INFO 2025-12-16 15:41:11.745735 UTC Progress: 50% (2016/4031) ETA: 12 seconds
INFO 2025-12-16 15:41:14.213176 UTC Progress: 60% (2419/4031) ETA: 10 seconds
INFO 2025-12-16 15:41:17.394904 UTC Progress: 70% (2822/4031) ETA: 8 seconds
INFO 2025-12-16 15:41:19.857149 UTC Progress: 80% (3225/4031) ETA: 5 seconds
INFO 2025-12-16 15:41:20.028751 UTC AdvisoryAlias CVE-2021-42237: web_cve_2021_42237_sitecore_report_ashx.yml not found.
INFO 2025-12-16 15:41:20.035137 UTC AdvisoryAlias CVE-2021-33766: web_cve_2021_33766_msexchange_proxytoken.yml not found.
INFO 2025-12-16 15:41:20.041243 UTC AdvisoryAlias CVE-2021-22123: web_cve_2021_22123_fortinet_exploit.yml not found.
INFO 2025-12-16 15:41:20.047913 UTC AdvisoryAlias CVE-2021-22893: web_cve_2021_22893_pulse_secure_rce_exploit.yml not found.
INFO 2025-12-16 15:41:20.054596 UTC AdvisoryAlias CVE-2021-33771: registry_set_cve_2021_31979_cve_2021_33771_exploits.yml not found
....
INFO 2025-12-16 13:12:18.007779 UTC Progress: 100% (4031/4031)
INFO 2025-12-16 13:12:18.015054 UTC Step [collect_and_store_rules] completed in 24 seconds
INFO 2025-12-16 13:12:18.015150 UTC Step [clean_downloads] starting
INFO 2025-12-16 13:12:18.015199 UTC Removing cloned repository
INFO 2025-12-16 13:12:18.106305 UTC Step [clean_downloads] completed in 0 seconds
INFO 2025-12-16 13:12:18.106445 UTC Pipeline completed in 161 seconds (2.7 minutes)

Process finished with exit code 0