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

Part of estate-wide standards#426 remediation - Batch 11 SHA update.

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

Author: hyperpolymath

.github/workflows/mirror.yml

@@ -12,5 +12,5 @@ permissions:
 
 jobs:
   mirror:
-    uses: hyperpolymath/standards/.github/workflows/mirror-reusable.yml@d135b05bfc647d0c0fbfedc7e80f37ea50f49236
+    uses: hyperpolymath/standards/.github/workflows/mirror-reusable.yml@7fdc2705df74b4e352d2a1cde3e87a5923fdf329
     secrets: inherit

.github/workflows/spark-theatre-gate.yml

@@ -16,7 +16,7 @@ permissions:
 
 jobs:
   spark-theatre-gate:
-    uses: hyperpolymath/standards/.github/workflows/spark-theatre-gate.yml@d135b05bfc647d0c0fbfedc7e80f37ea50f49236
+    uses: hyperpolymath/standards/.github/workflows/spark-theatre-gate.yml@7fdc2705df74b4e352d2a1cde3e87a5923fdf329
     with:
       paths: "."
       enforce_zero_contract: false