chore(registry): regenerate after merge of main into PR branch

The merge of main into the PR branch changed a spec-home content hash;
regenerated REGISTRY.a2ml via the sanctioned generator to clear the
"Registry + topology in sync" check on #390.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019awZjBD1qx61tvmEuEKNpn

Author: claude

.machine_readable/REGISTRY.a2ml

@@ -216,7 +216,7 @@ name = "RSR — Rhodium Standard Repositories"
 stream = "governance"
 home = "rhodium-standard-repositories/"
 canonical_doc = "rhodium-standard-repositories/README.adoc"
-source_hash = "sha256:9c75dfe96d12d19bb174b50435f40f7877c0257c959387e047e0f4cbfe7f6129"
+source_hash = "sha256:96d4457b9fdd01e02bb89bf95aaca2dea002f18062342507d8b4f81af6ae79fb"
 route = "the repository-compliance standard every repo is graded against"
 
 [[spec]]