chore(ci): bump standards reusable workflow pins (#36)

Bumps stale `hyperpolymath/standards/.github/workflows/*-reusable.yml`
pins to current standards HEAD
(`d135b05bfc647d0c0fbfedc7e80f37ea50f49236`) to clear governance 'Check
Workflow Staleness' (ADR-003) failures. CI-pin changes only.

OWNER-AUTHORIZED estate pin-bump campaign 2026-06-24.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>

Author: hyperpolymath

.github/workflows/governance.yml

@@ -28,5 +28,5 @@ permissions:
   contents: read
 jobs:
   governance:
-    uses: hyperpolymath/standards/.github/workflows/governance-reusable.yml@861b5e911d9e5dcfb3c0ab3dd2a9a3c8fd0a1613
+    uses: hyperpolymath/standards/.github/workflows/governance-reusable.yml@d135b05bfc647d0c0fbfedc7e80f37ea50f49236
     timeout-minutes: 10

.github/workflows/rust-ci.yml

@@ -12,5 +12,5 @@ permissions:
   contents: read
 jobs:
   rust-ci:
-    uses: hyperpolymath/standards/.github/workflows/rust-ci-reusable.yml@f5f0506a6ec88e574753eee701a268e0d4b3a7f2
+    uses: hyperpolymath/standards/.github/workflows/rust-ci-reusable.yml@d135b05bfc647d0c0fbfedc7e80f37ea50f49236
     timeout-minutes: 10