Update the linkcheck ignores (#4511)

* Update the linkcheck ignores

* Hack?

* Ok, this should work
diff --git a/docs/conf.py b/docs/conf.py
index 80ac59f..66dae73 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -179,6 +179,9 @@
 linkcheck_retries = 5
 
 linkcheck_ignore = [
-    # Certificate is issued by a Japanese CA that isn't publicly trusted
-    "https://www.cryptrec.go.jp",
+    # Returns a 404 if you're not logged in
+    (
+        "https://ci.cryptography.io/"
+        "job/cryptography-support-jobs/job/openssl-release-1.1/"
+    ),
 ]