[6.x] Bump zizmorcore/zizmor-action from 0.5.3 to 0.5.6 in the github-actions group (#14722)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/zizmor.yml

@@ -29,7 +29,7 @@ jobs:
           persist-credentials: false
 
       - name: Run zizmor
-        uses: zizmorcore/zizmor-action@b1d7e1fb5de872772f31590499237e7cce841e8e # v0.5.3
+        uses: zizmorcore/zizmor-action@5f14fd08f7cf1cb1609c1e344975f152c7ee938d # v0.5.6
         with:
           advanced-security: false
           annotations: true