improve(images): add timeout to remote images requests

mkdocs_rss_plugin/util.py

@@ -656,6 +656,7 @@ def get_remote_image_length(
         image_url: str,
         http_method: str = "HEAD",
         attempt: int = 0,
+        req_timeout: tuple[float, float] = (5, 30),
         ssl_verify: bool = True,
     ) -> Optional[int]:
         """Retrieve length for remote images (starting with 'http').
@@ -668,6 +669,8 @@ def get_remote_image_length(
             http_method (str, optional): HTTP method to use for the request.
                 Defaults to "HEAD".
             attempt (int, optional): request tries counter. Defaults to 0.
+            req_timeout (tuple[float, float], optional): (connect, read) timeout in \
+                secondes. Defaults to (5, 30).
             ssl_verify (bool, optional): option to perform SSL verification or not.
                 Defaults to True.
 
@@ -685,7 +688,10 @@ def get_remote_image_length(
                 f"Sending {http_method} request to {image_url}"
             )
             req_response = self.req_session.request(
-                method=http_method, url=image_url, verify=ssl_verify
+                method=http_method,
+                timeout=req_timeout,
+                url=image_url,
+                verify=ssl_verify,
             )
             req_response.raise_for_status()
             img_length = req_response.headers.get("content-length")