Fix CI check

.github/workflows/ci.yml

@@ -30,6 +30,8 @@ jobs:
       contents: read
     name: Ensure sorted
     steps:
+      - name: Checkout
+        uses: actions/checkout@main
       - name: Ensure sorted
         run: python3 ensure_sorted.py
 

ensure_sorted.py

@@ -74,7 +74,7 @@ def main():
             categories.append(category)
         # This is also a category
         elif lines[i].startswith("## –"):
-            category_name = re.findall("(?<=##\s–\s).*?(?=\s–)", lines[i])[0]
+            category_name = re.findall("(?<=##\\s–\\s).*?(?=\\s–)", lines[i])[0]
             category = Category(category_name)
             categories.append(category)
         # This is an app
@@ -101,4 +101,4 @@ def main():
             
 
 if __name__ == "__main__":
-    main()
+    main()