Add user relative path support

Author: eric-forte-elastic

detection_rules/config.py

@@ -227,7 +227,7 @@ def parse_rules_config(path: Path | None = None) -> RulesConfig:  # noqa: PLR091
             raise ValueError(f"rules config file does not exist: {path}")
         loaded = yaml.safe_load(path.read_text())
     elif CUSTOM_RULES_DIR:
-        path = Path(CUSTOM_RULES_DIR) / "_config.yaml"
+        path = Path(CUSTOM_RULES_DIR).expanduser() / "_config.yaml"
         if not path.exists():
             raise FileNotFoundError(
                 """

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "detection_rules"
-version = "1.5.17"
+version = "1.5.18"
 description = "Detection Rules is the home for rules used by Elastic Security. This repository is used for the development, maintenance, testing, validation, and release of rules for Elastic Security’s Detection Engine."
 readme = "README.md"
 requires-python = ">=3.12"