Now really switch to headless=new

Change-Id: I9a93b919058677eb6364ea4f8011b895f4f5f4f2
diff --git a/ci/html2pdf b/ci/html2pdf
index 6967f9a..9596c1f 100755
--- a/ci/html2pdf
+++ b/ci/html2pdf
@@ -1,4 +1,4 @@
 #!/bin/sh -eu
 in=$1 out=$2 page0=${3:-} page1=${4:-$page0}
-google-chrome --no-sandbox --headless --no-pdf-header-footer --print-to-pdf="$out".tmp "$in"
+google-chrome --no-sandbox --headless=new --no-pdf-header-footer --print-to-pdf="$out".tmp "$in"
 pdfseparate -f 1 -l 1 "$out".tmp $out