Add IPv6-only site to HSTS preload list

The domain meets all automated requirements, as tested by the
hstspreload commandline tool.

Change-Id: I87bec8c39c797b5fd5dff67004cc5cfb3c185181
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1635774
Commit-Queue: Nick Harper <nharper@chromium.org>
Commit-Queue: Ryan Sleevi <rsleevi@chromium.org>
Auto-Submit: Nick Harper <nharper@chromium.org>
Reviewed-by: Ryan Sleevi <rsleevi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#664527}

net/http/transport_security_state_static.json

@@ -73022,6 +73022,7 @@
     { "name": "trinity.fr.eu.org", "policy": "custom", "mode": "force-https", "include_subdomains": true },
     { "name": "mysa.is", "policy": "custom", "mode": "force-https", "include_subdomains": true },
     { "name": "vensl.org", "policy": "custom", "mode": "force-https", "include_subdomains": true },
+    { "name": "aaron-schaal.de", "policy": "custom", "mode": "force-https", "include_subdomains": true },
     // TLS 1.3
     { "name": "glassrom.pw", "policy": "custom", "mode": "force-https", "include_subdomains": true },
     // Expect-CT