fix zizmor findings

.github/dependabot.yml

@@ -4,6 +4,8 @@ updates:
     directory: "/"
     schedule:
       interval: "daily"
+    cooldown:
+      default-days: 2
     labels:
       - "kind/dependencies"
       - "bot"
@@ -11,6 +13,8 @@ updates:
     directory: "/"
     schedule:
       interval: "daily"
+    cooldown:
+      default-days: 2
     versioning-strategy: "increase"
     allow:
       - dependency-type: "production"