fix(ci): update reusable workflow SHAs to @7fdc2705df74b4e352d2a1cde3e87a5923fdf329

Part of estate-wide standards#426 remediation - Batch 13 SHA update.

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>

Author: hyperpolymath

.github/workflows/governance.yml

@@ -14,4 +14,4 @@ permissions:
 
 jobs:
   governance:
-    uses: hyperpolymath/standards/.github/workflows/governance-reusable.yml@81dbf2dd854b1444fd6236fa2352474383b2c2b9
+    uses: hyperpolymath/standards/.github/workflows/governance-reusable.yml@7fdc2705df74b4e352d2a1cde3e87a5923fdf329

.github/workflows/hypatia-scan.yml

@@ -17,4 +17,4 @@ permissions:
 
 jobs:
   scan:
-    uses: hyperpolymath/standards/.github/workflows/hypatia-scan-reusable.yml@81dbf2dd854b1444fd6236fa2352474383b2c2b9
+    uses: hyperpolymath/standards/.github/workflows/hypatia-scan-reusable.yml@7fdc2705df74b4e352d2a1cde3e87a5923fdf329

.github/workflows/scorecard.yml

@@ -14,7 +14,7 @@ permissions:
 
 jobs:
   scorecard:
-    uses: hyperpolymath/standards/.github/workflows/scorecard-reusable.yml@81dbf2dd854b1444fd6236fa2352474383b2c2b9
+    uses: hyperpolymath/standards/.github/workflows/scorecard-reusable.yml@7fdc2705df74b4e352d2a1cde3e87a5923fdf329
     permissions:
       contents: read
       security-events: write