Update zizmor to 1.23.1 (#382)

* Update zizmor to 1.23.1

Update to the latest release of zizmor.

* Add dependabot cooldown

Configure a dependabot cooldown of 3 days.

Author: martincostello

.github/dependabot.yml

@@ -2,6 +2,8 @@ version: 2
 updates:
 - package-ecosystem: "github-actions"
   directory: "/"
+  cooldown:
+    default-days: 3
   groups:
     actions:
       patterns:
@@ -12,6 +14,8 @@ updates:
     timezone: Europe/London
 - package-ecosystem: nuget
   directory: "/"
+  cooldown:
+    default-days: 3
   schedule:
     interval: daily
     time: "06:30"

.github/workflows/code-scan.yml

@@ -49,7 +49,7 @@ jobs:
     runs-on: ubuntu-latest
 
     env:
-      ZIZMOR_VERSION: '1.13.0'
+      ZIZMOR_VERSION: '1.23.1'
 
     permissions:
       actions: read

.github/zizmor.yml

@@ -1,5 +1,10 @@
 rules:
   anonymous-definition:
     disable: true
+  dependabot-cooldown:
+    config:
+      days: 3
+  secrets-outside-env:
+    disable: true
   undocumented-permissions:
     disable: true