cleaning subtrees without wiping out the entire sprint folder

Author: doublebyte1

.github/workflows/main.yml

@@ -55,7 +55,7 @@ jobs:
       - name: Clean subtrees
         run: |
           rm -rf sprints/15 &&  rm -rf sprints/16 && rm -rf sprints/17 &&
-          rm -rf sprints/nodes &&
+          rm -rf sprints/nodes
           || echo "Cleaning subtrees"
 
       - name: Add subtree 15