[turbolizer] Fix CSS file path in deploy script

In previous refactoring, the CSS files are moved to subdirectory css

Change-Id: I38e05ae1a9e56f36d5bd25131e605a93cfdb61f9
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3701958
Commit-Queue: Jie Pan <jie.pan@intel.com>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81120}

tools/turbolizer/deploy.sh

@@ -14,11 +14,11 @@ function copy() {
 
 echo -n "Deploying..."
 copy *.png $DEST/
-copy *.css $DEST/
 copy index.html $DEST/
 copy info-view.html $DEST/
 copy -R build $DEST/
 copy -R img $DEST/
+copy -R css $DEST/
 echo "done!"
 
 echo "Deployed to $DEST/."