chore(ci): bump standards reusable workflow pins to d135b05bfc64

Bump stale hyperpolymath/standards reusable workflow pins to current
standards HEAD (d135b05bfc647d0c0fbfedc7e80f37ea50f49236) to clear governance 'Check Workflow
Staleness' (ADR-003) failures.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Author: hyperpolymath

.github/workflows/mirror.yml

@@ -11,5 +11,5 @@ permissions:
 
 jobs:
   mirror:
-    uses: hyperpolymath/standards/.github/workflows/mirror-reusable.yml@e6b2884722350515934d443daf23442f2195796f
+    uses: hyperpolymath/standards/.github/workflows/mirror-reusable.yml@d135b05bfc647d0c0fbfedc7e80f37ea50f49236
     secrets: inherit