Updating documentation.yml workflow to use macos-14

Author: mergesort

.github/workflows/documentation.yml

@@ -9,7 +9,7 @@ on:
 jobs:
   update_documentation:
     name: Update documentation
-    runs-on: macos-12
+    runs-on: macos-14
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3