Update zizmor to v1.6.0

Author: sobolevn

.github/zizmor.yml

@@ -4,3 +4,7 @@ rules:
   dangerous-triggers:
     ignore:
       - documentation-links.yml
+  unpinned-uses:
+    config:
+      policies:
+        "*": ref-pin

.pre-commit-config.yaml

@@ -61,7 +61,7 @@ repos:
       - id: actionlint
 
   - repo: https://github.com/woodruffw/zizmor-pre-commit
-    rev: v1.1.1
+    rev: v1.6.0
     hooks:
       - id: zizmor