This version adds full support of string templates.
Before this version, rjsmin may produce wrong code with string
templates. For example:
```js
const url = `https://odoo.com`;
console.log(url);
```
was minified to:
```js
const url=`https:console.log(url);
```
Because `//` was wrongly handled as a comment inside the string
template.
closesodoo/odoo#35867
Signed-off-by: Géry Debongnie (ged) <ged@openerp.com>