CTAN update: l3backend

[CTAN Announcements]

The LaTeX Team submitted an update to the

                l3backend

package.

Version number: 2022-07-01
License type: lppl1.3c

Summary description: LaTeX3 backend drivers

Announcement text:
----------------------------------------------------------------------

## [2022-07-01]

#### Fixed
- Do not include PDF file to count pages on pdfTeX
- Opacity creation with `dvipdfmx`/XeTeX  (issue
[\#1106](https://github.com/latex3/latex3/issues/1106))
- Reset opacity when no stack is available at the backend (issue
[\#1107](https://github.com/latex3/latex3/issues/1107))
----------------------------------------------------------------------

This package is located at 
   https://mirrors.ctan.org/macros/latex/contrib/l3backend

More information is at
   https://www.ctan.org/pkg/l3backend

CTAN is run entirely by volunteers and supported by TeX user groups

Please join a user group or donate to one, see https://ctan.org/lugs

------------------------------------------------------------------------

   Thanks for the upload.

     For the CTAN Team
    Ina Dau

--