CI workflow

.github/workflows/CI.yml

@@ -38,11 +38,8 @@ jobs:
         run: |
           if ! command -v llvm-dlltool >/dev/null 2>&1; then
             mkdir -p ~/.apt/archives/partial
-            cd
-            cd .apt
-            cd archives
-            ls
-            cd
+            sudo chown _apt ~/.apt/archives/partial
+            sudo chmod 700 ~/.apt/archives/partial
             sudo apt -o Dir::Cache="~/.apt" update
             sudo apt -o Dir::Cache="~/.apt" install -y llvm
           fi