CTAN update: l3build

[CTAN Announcements]

The LaTeX Team submitted an update to the

                l3build

package.

Version number: 2021-05-05
License type: lppl1.3c

Summary description: A testing and building system for (La)TeX

Announcement text:
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## [2021-05-05]

### Changed
- Normalise Lua function calls (issue #127) - may require `.tlg` update
- LuaTeX from TL'21 is no longer 'off by one' in log files - may require
  `.tlg` update

### Fixed
- Installation now supports deeper directory levels (issue #182)
- The `texmfhome` directory is now created before use if required
- Crash caused by yyyy-mm-dd epoch format

### Removed
- Support for use as `texlua build.lua <target>`


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This package is located at 
   http://mirror.ctan.org/macros/latex/contrib/l3build

More information is at
   https://www.ctan.org/pkg/l3build

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   Thanks for the upload.

     For the CTAN Team
    Erik Braun

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