Drop Python 3.8 support and add Python 3.12 (#302)

* Drop Python 3.8 support and add Python 3.12

* Ignore mypy check in a compatibility workaround

* poetry lock with poetry 1.8.5

Author: chadell

.github/workflows/ci.yml

@@ -113,7 +113,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
         pydantic: ["2.x"]
         include:
           - python-version: "3.11"

circuit_maintenance_parser/parser.py

@@ -43,7 +43,7 @@ class Parser(BaseModel):
     def get_data_types(cls) -> List[str]:
         """Return the expected data type."""
         try:
-            return cls._data_types.get_default()
+            return cls._data_types.get_default()  # type: ignore[attr-defined]
         except AttributeError:
             # TODO: This exception handling is required for Pydantic 1.x compatibility. To be removed when the dependency is deprecated.
             return cls()._data_types