Simplify deploy workflow: direct git clone instead of actions/checkout

.forgejo/workflows/deploy-landing.yml

@@ -9,8 +9,12 @@ jobs:
   deploy:
     runs-on: nixos
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
+      - name: Clone repo
+        run: |
+          rm -rf /tmp/speckl-deploy
+          git clone http://localhost:3000/sscoble/speckl.git /tmp/speckl-deploy
+          cd /tmp/speckl-deploy
+          git checkout ${{ github.sha }}
 
       - name: Configure rclone
         run: |
@@ -26,4 +30,4 @@ jobs:
 
       - name: Deploy to Storj
         run: |
-          nix run nixpkgs#rclone -- sync landing/ storj:speckl/ --progress
+          nix run nixpkgs#rclone -- sync /tmp/speckl-deploy/landing/ storj:speckl/ --progress