fix(ci): bump k9-validate-action SHA to pick up brace-counting fix (#41)

Picks up hyperpolymath/k9-validate-action#7 which fixes the pedigree
brace-counting bug (continue was skipping the opening brace count, so
any nested block's closing brace prematurely terminated the validator's
view of the pedigree, hiding `pedigree.metadata.name` from detection).
Closes every Dependabot PR blocked on `Pedigree block missing 'name'
field`.

Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>

Author: hyperpolymath

.github/workflows/dogfood-gate.yml

@@ -86,7 +86,7 @@ jobs:
 
       - name: Validate K9 contracts
         if: steps.detect.outputs.k9_count > 0
-        uses: hyperpolymath/k9-validate-action@f985acb62d1ed46a4b3434dc6cb148dad95cf62d # main
+        uses: hyperpolymath/k9-validate-action@cfa7f92f6bed88e706a481f7f520e4580d7b9599 # main
         with:
           path: '.'
           strict: 'false'