editing updates, cosmetic changes

repositories/categories.py

@@ -53,3 +53,12 @@ class CategoriesRepository:
         await session.commit()
 
         return category
+
+    async def update_category_name(
+        self, session: AsyncSession, category_id: int, value: str
+    ):
+        category = await self.get_category_by_id(session, category_id)
+        category.name = value
+
+        await session.commit()
+        return category