CTAN update: l3kernel

[CTAN Announcements]

The LaTeX Team submitted an update to the

                l3kernel

package.

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

Summary description: LaTeX3 programming conventions

Announcement text:
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## [2022-07-01]

### Added
- `\cs_parameter_spec:N`

### Changed
- `\text_expand:n` now acts on active chars to support legacy input encodings

### Deprecated
- `\cs_argument_spec:N`

### Fixed
- Correct validity check performed by `\regex_show:N` (issue
[\#1093](https://github.com/latex3/latex3/issues/1093))
- Closing of file handles (issue [\#1105](https://github.com/latex3/latex3/issues/1105))
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This package is located at 
   https://mirrors.ctan.org/macros/latex/contrib/l3kernel

More information is at
   https://www.ctan.org/pkg/l3kernel

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

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

   Thanks for the upload.

     For the CTAN Team
    Ina Dau

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