docs: refactor Response docstring to show clean code example

``::`` was added to show block code instead of plain text

Author: Benflow3

packages/dexpace-sdk-core/src/dexpace/sdk/core/http/response/response.py

@@ -25,9 +25,7 @@
 class Response:
     """Immutable HTTP response produced by a transport.
 
-    Implements the context-manager protocol so callers can
-
-    .. code-block:: python
+    Implements the context-manager protocol so callers can::
 
         with http_client.execute(request) as response:
             ...