chore: 🧹 Remove redundant modified field
chore: 🧹 Use Mitre tags instead of url
chore: 🧹 Use permalink for github file reference
chore: 🧹 Order emerging-threats Exploits rules
chore: change tags, date, modified fields to comply with v2 of the Sigma spec.
chore: update the related type from `obsoletes` to `obsolete`.
chore: update local json schema to the latest version.