remove trailing space

Author: gpshead

Misc/NEWS.d/next/Security/2026-05-30-00-00-00.gh-issue-150743.httpdos.rst

@@ -4,4 +4,4 @@ it will read to :attr:`~http.client.HTTPConnection.max_response_headers`
 to 100.  A malicious or broken server could previously stream trailer
 lines or ``100 Continue`` responses forever, hanging the client even when
 a socket timeout was in use.
-Reported by ``@YLChen-007`` via GHSA-w4q2-g22w-6fr4. 
+Reported by ``@YLChen-007`` via GHSA-w4q2-g22w-6fr4.