refactor kontor-api to use SQLAlchemy 2.0 features for mapping fields

(cherry picked from commit e57abdbef7e13e3880738cd639225df5db0c37be)

kontor-api/src/db/repository/comics/comic.py

@@ -1,4 +1,4 @@
-from typing import Dict, List
+from typing import Dict, List, Optional
 
 from sqlalchemy.orm import Session
 
@@ -31,10 +31,10 @@ def get_issue_details(issue: Issue) -> IssueDetailsResponse:
     return response
 
 
-def update_comic(comic: ComicSchema, comic_id: str, db: Session) -> type[Comic] | None:
-    logger.info(f"update_comic: {comic} with {comic_id}")
-    comic = db.get(Comic, comic_id) # type: ignore
-    return comic # type: ignore
+def update_comic(new_comic: ComicSchema, comic_id: str, db: Session) -> Optional[Comic]:
+    logger.info(f"update_comic: {new_comic} with {comic_id}")
+    comic: Optional[Comic] = db.get(Comic, comic_id)
+    return comic
 
 def get_short_info(comic: Comic) -> ComicResponse:
     response = ComicResponse(