Pin zizmorcore/zizmor to v1.12.1

Author: timgraham

.github/workflows/zizmor.yml

@@ -18,4 +18,4 @@ jobs:
         with:
           persist-credentials: false
       - name: Run zizmor
-        uses: zizmorcore/zizmor-action@383d31df2eb66a2f42db98c9654bdc73231f3e3a
+        uses: zizmorcore/zizmor-action@dbc12d4a217755d8dfd0362c3e84d58f13d6dfb7 # v1.12.1