Fix typo for DELETE http method

Author: Ihor Bilous

mailtrap/api/base.py

@@ -14,7 +14,7 @@ class HttpMethod(Enum):
     POST = "POST"
     PUT = "PUT"
     PATCH = "PATCH"
-    DELTE = "DELETE"
+    DELETE = "DELETE"
 
 
 def _extract_errors(data: Dict[str, Any]) -> List[str]:

mailtrap/api/projects.py

@@ -44,7 +44,7 @@ def update(self, account_id: str, project_id: str, name: str) -> Project:
 
     def delete(self, account_id: str, project_id: str) -> DeletedObject:
         response: RESPONSE_TYPE = cast(RESPONSE_TYPE, self._request(
-            HttpMethod.DELTE, 
+            HttpMethod.DELETE, 
             self._build_url(account_id, project_id),
         ))
         return DeletedObject(response["id"])