ci: Respect $HTTP_PROXY for ci_run_n_monitor

We need to explicitly tell AIOHTTP that it's OK to take the HTTP proxy
from the environment.

Signed-off-by: Daniel Stone <daniels@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23341>

bin/ci/gitlab_gql.py

@@ -52,7 +52,8 @@ class GitlabGQL:
         headers = {}
         if self.token:
             headers["Authorization"] = f"Bearer {self.token}"
-        self._transport = AIOHTTPTransport(url=self.url, headers=headers)
+        self._transport = AIOHTTPTransport(
+            url=self.url, headers=headers, client_session_args = { "trust_env": True })
 
         # Create a GraphQL client using the defined transport
         self.client = Client(