bump version

Author: jamesc-grafana

testdata/.github/workflows/empty.yml

@@ -10,4 +10,4 @@ jobs:
       id-token: write
       pull-requests: write
       security-events: write
-    uses: grafana/shared-workflows/.github/workflows/reusable-zizmor.yml@5a413efebe3688c4761412b1c211af0e03c0e892
+    uses: grafana/shared-workflows/.github/workflows/reusable-zizmor.yml@8bc832fdda20909e19808ad2e59017d6e68f4c33