Change runner from ubuntu-latest to ubuntu-slim

Author: HackingGate

.github/workflows/test_typst_out_action.yml

@@ -39,7 +39,7 @@ env:
 
 jobs:
   detect-changes:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     permissions:
       contents: read
       pull-requests: read