sitespeed.io 23.5.0 on Node.js NPM

The -slim Docker container now uses Firefox 98.
Updated Grafana to latest 8.4.3 in the Docker compose file.
Updated Graphite dashboards to use Timeseries graphs instead of old "Graph".
You can use -o or --open or --view to open the result page after you run sitespeed.io on Mac and Linux #3569.
Open the result with -o on Linux using xdg-open #3597.