ci: dont checkout + free up space

.github/workflows/sync.yml

@@ -7,17 +7,21 @@ permissions:
   contents: write
 
 jobs:
-  check:
+  sync:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - name: free up space
+        uses: AdityaGarg8/remove-unwanted-software@v4.1
+      - name: query remaining space
+        run: df -h
+
       - uses: cachix/install-nix-action@v27
         with:
           nix_path: nixpkgs=channel:nixos-unstable
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - uses: DeterminateSystems/magic-nix-cache-action@main
 
-      - name: get the forge's repo
+      - name: clone forge.joshwel.co/mark/sota
         run: |
           mkdir -p ${{ runner.temp }}/sota
           git clone https://forge.joshwel.co/mark/sota ${{ runner.temp }}/sota