Use validator function argument typing based on Pydantic documentation

The first argument in the validators was changed to type Any for all
relevant functions. This is the recommended pattern from the Pydantic
documentation.

python/felis/datamodel.py

@@ -388,7 +388,7 @@ def check_unique_table_names(cls: Any, tables: list[Table]) -> list[Table]:
         return tables
 
     @model_validator(mode="after")
-    def create_id_map(self) -> "Schema":
+    def create_id_map(self: "Schema") -> "Schema":
         """Create a map of IDs to objects."""
         visitor: SchemaVisitor = SchemaVisitor()
         visitor.visit_schema(self)

python/felis/validation.py

@@ -20,7 +20,7 @@
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 import logging
-from typing import Type
+from typing import Any, Type
 
 from pydantic import Field, conlist, model_validator
 
@@ -46,8 +46,7 @@ class RspTable(Table):
     """
 
     description: str = Field(..., min_length=1)
-    """Redefine description so that it is required and non-empty.
-    """
+    """Redefine description so that it is required and non-empty."""
 
     tap_table_index: int = Field(..., alias="tap:table_index")
     """Redefine the TAP_SCHEMA table index so that it is required."""
@@ -57,7 +56,7 @@ class RspTable(Table):
 
     @model_validator(mode="after")  # type: ignore
     @classmethod
-    def check_tap_principal(cls, tbl: "RspTable") -> "RspTable":
+    def check_tap_principal(cls: Any, tbl: "RspTable") -> "RspTable":
         """Check that at least one column is flagged as the TAP principal."""
         for col in tbl.columns:
             if col.tap_principal == 1:
@@ -80,7 +79,7 @@ class RspSchema(Schema):
 
     @model_validator(mode="after")  # type: ignore
     @classmethod
-    def check_tap_table_indexes(cls, sch: "RspSchema") -> "RspSchema":
+    def check_tap_table_indexes(cls: Any, sch: "RspSchema") -> "RspSchema":
         """Check that the TAP table indexes are unique."""
         table_indicies = set()
         for table in sch.tables: