[OE-core] [PATCH v2] (PRE)MIRRORS: add pattern for npm:// without slash

[Leonardo Sandoval]

>  npm://.*/.*     http://sources.openembedded.org/ \n \
> +npm://.*        http://sources.openembedded.org/ \n \

instead of adding a new npm regex, not sure if below one would the same
job

npm://.*(/.*)?