v1.4.0

What's Changed

• Add external data source placeholder transformations (File, HTTP, Command) by @thomaspatzke with @Copilot in #471
• Fix filter rules with wildcard conditions (1/any/all of pattern_*) by @thomaspatzke with @Copilot in #473
• fix: SigmaRule.to_dict() fails after field_name_mapping transformation by @thomaspatzke with @Copilot in #468
• Harden external data source placeholder transformations by @mostafa in #474
• Implement neq modifier for boolean NOT match by @thomaspatzke with @Copilot in #475
• Enforce black formatting and mypy checks in Copilot agentic sessions by @thomaspatzke with @Copilot in #476
• Fix Dependabot dependency parsing for date-versioned packages by @thomaspatzke with @Copilot in #477
• Update dependencies and fix mypy type errors by @thomaspatzke with @Copilot in #478
• Bump mypy from 1.20.2 to 2.1.0 by @dependabot[bot] in #479
• Bump pytest from 9.0.3 to 9.1.0 by @dependabot[bot] in #480
• Bump pylint from 4.0.5 to 4.0.6 by @dependabot[bot] in #483
• Bump pytest from 9.1.0 to 9.1.1 by @dependabot[bot] in #482
• Bump actions/checkout from 6 to 7 by @dependabot[bot] in #481

Full Changelog: v1.3.3...v1.4.0