try reducing expansion

Author: samfreund

mount.sh

@@ -152,11 +152,11 @@ if [ "$ImgType" == "Canonical" ]; then
   if [ "$rubik" = true ]; then
     # Expand the image by 2GB (reduced from 10GB to fit GitHub Actions disk space)
     echo "=== Expanding image by 2GB ==="
-    dd if=/dev/zero bs=1M count=2048 >> "$ROOTFS_IMG"
-  else
-    # Expand the image by 1GB
-    echo "=== Expanding image by 1GB ==="
     dd if=/dev/zero bs=1M count=1024 >> "$ROOTFS_IMG"
+  else
+    # Expand the image by 512MB
+    echo "=== Expanding image by 512MB ==="
+    dd if=/dev/zero bs=1M count=512 >> "$ROOTFS_IMG"
   fi
 
   if [ "$rubik" != true ]; then