Update cleanup-disk action to remove swap space (#397)

Signed-off-by: Glenn Jocher <[email protected]>
Co-authored-by: UltralyticsAssistant <[email protected]>

cleanup-disk/action.yml

@@ -2,7 +2,7 @@
 
 name: "Disk Space Cleanup"
 author: "Ultralytics"
-description: "Cleans up disk space by removing unnecessary tool caches and packages"
+description: "Cleans up disk space by removing unnecessary tool caches and swap space"
 runs:
   using: "composite"
   steps:
@@ -11,7 +11,15 @@ runs:
       run: |
         echo "Free space before deletion:"
         df -h /
+
         # Remove tool cache to free up ~15GB of space per https://github.com/ultralytics/ultralytics/pull/15848
         rm -rf /opt/hostedtoolcache || true
+
+        # Remove swap space to free up ~4GB
+        if [ -f /swapfile ]; then
+          sudo swapoff -a
+          sudo rm -f /swapfile
+        fi
+
         echo "Free space after deletion:"
         df -h /